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TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

Calcium Fluoride (CaF₂) Windows

TECHSPEC Calcium Fluoride (CaF2) Windows

Low Absorption, High Transmission UV Grade Calcium Fluoride
Low Index of Refraction
AR Coatings Spanning 250 - 5000nm Available
Calcium Fluoride (CaF2) Wedged Windows also Available

TECHSPEC® Calcium Fluoride (CaF2) Windows offer a low index of refraction, providing high transmission from 200 - 7000nm when used uncoated. To further increase transmission and reduce back reflections, a variety of AR coatings are available spanning wavelength regions from the Ultra-Violet (UV) to the Mid-Wave Infrared (MWIR). The high bulk damage threshold of calcium fluoride coupled with its low absorption makes it a popular choice for use with laser systems, including excimer lasers. TECHSPEC® Calcium Fluoride (CaF2) Windows are ideal for use as protective windows for gas detectors operating in the Vacuum UV (VUV) and MWIR, UV spectroscopy systems, cryogenically cooled thermal imaging systems, and as substrates for coatings requiring wideband substrate transmission.

Note: Calcium fluoride is a relatively soft optical material and is more susceptible to scratches than typical glass windows.

Common Specifications

Bevel:

Protective as needed

Clear Aperture (%):

Edges:

Fine Ground

Knoop Hardness (kg/mm²):

158.3

Poisson's Ratio:

0.26

Young's Modulus (GPa):

75.8

Abbe Number (v_d):

94.99

Axis Orientation:

Random

Index of Refraction (n_d):

1.434

Substrate:

Calcium Fluoride (CaF₂) Vacuum UV Grade

Coefficient of Thermal Expansion CTE (10^-6/°C):

18.85

Density (g/cm³):

3.18

Products
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Products

Dia. (mm)	Dimensions (mm)	Thickness (mm)	Coating	Stock Number	Price	Buy

5.00 5.00	- -	1.00 1.00	Uncoated Uncoated	#48-853	114,00 €114,00 Qty 11+ €101,00 Request Quote	3-4 days ×
5.00 5.00	- -	1.00 1.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-800	156,00 €156,00 Qty 11+ €138,00 Request Quote	3-4 days ×
5.00 5.00	- -	1.00 1.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-812	156,00 €156,00 Qty 11+ €138,00 Request Quote	3-4 days ×
5.00 5.00	- -	1.00 1.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-824	156,00 €156,00 Qty 11+ €138,00 Request Quote	3-4 days ×
5.00 5.00	- -	1.00 1.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-962	159,00 €159,00 Qty 11+ €140,00 Request Quote	3-4 days ×
5.00 5.00	- -	1.00 1.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-509	159,00 €159,00 Qty 11+ €140,00 Request Quote	3-4 days ×
10.00 10.00	- -	1.50 1.50	Uncoated Uncoated	#47-681	119,00 €119,00 Qty 11+ €105,00 Request Quote	3-4 days ×
10.00 10.00	- -	1.50 1.50	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-801	162,00 €162,00 Qty 11+ €143,00 Request Quote	3-4 days ×
10.00 10.00	- -	1.50 1.50	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-813	162,00 €162,00 Qty 11+ €143,00 Request Quote	3-4 days ×
10.00 10.00	- -	1.50 1.50	NIR II (750-1550nm) NIR II (750-1550nm)	#14-825	162,00 €162,00 Qty 11+ €143,00 Request Quote	3-4 days ×
10.00 10.00	- -	1.50 1.50	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-963	164,00 €164,00 Qty 11+ €145,00 Request Quote	3-4 days ×
10.00 10.00	- -	1.50 1.50	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-510	164,00 €164,00 Qty 11+ €145,00 Request Quote	3-4 days ×
12.50 12.50	- -	2.00 2.00	Uncoated Uncoated	#47-682	128,00 €128,00 Qty 11+ €112,00 Request Quote	3-4 days ×
12.50 12.50	- -	2.00 2.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-802	169,00 €169,00 Qty 11+ €150,00 Request Quote	3-4 days ×
12.50 12.50	- -	2.00 2.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-814	169,00 €169,00 Qty 11+ €150,00 Request Quote	3-4 days ×
12.50 12.50	- -	2.00 2.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-826	169,00 €169,00 Qty 11+ €150,00 Request Quote	3-4 days ×
12.50 12.50	- -	2.00 2.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-964	175,00 €175,00 Qty 11+ €154,00 Request Quote	3-4 days ×
12.50 12.50	- -	2.00 2.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-511	175,00 €175,00 Qty 11+ €154,00 Request Quote	Contact Us ×
- -	12.50 x 12.50 12.50 x 12.50	2.00 2.00	Uncoated Uncoated	#25-765	138,00 €138,00 Qty 11+ €122,00 Request Quote	3-4 days ×
12.70 12.70	- -	2.00 2.00	Uncoated Uncoated	#17-600	128,00 €128,00 Qty 11+ €112,00 Request Quote	3-4 days ×
12.70 12.70	- -	2.00 2.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#17-601	169,00 €169,00 Qty 11+ €150,00 Request Quote	3-4 days ×
12.70 12.70	- -	2.00 2.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#17-602	169,00 €169,00 Qty 11+ €150,00 Request Quote	3-4 days ×
12.70 12.70	- -	2.00 2.00	NIR II (750-1550nm) NIR II (750-1550nm)	#17-603	169,00 €169,00 Qty 11+ €150,00 Request Quote	3-4 days ×
12.70 12.70	- -	2.00 2.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#17-604	175,00 €175,00 Qty 11+ €154,00 Request Quote	3-4 days ×
12.70 12.70	- -	2.00 2.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-512	175,00 €175,00 Qty 11+ €154,00 Request Quote	3-4 days ×
15.00 15.00	- -	2.00 2.00	Uncoated Uncoated	#48-854	138,00 €138,00 Qty 11+ €122,00 Request Quote	In Stock ×
15.00 15.00	- -	2.00 2.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-803	181,00 €181,00 Qty 11+ €159,00 Request Quote	In Stock ×
15.00 15.00	- -	2.00 2.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-815	181,00 €181,00 Qty 11+ €159,00 Request Quote	3-4 days ×
15.00 15.00	- -	2.00 2.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-827	181,00 €181,00 Qty 11+ €159,00 Request Quote	3-4 days ×
15.00 15.00	- -	2.00 2.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-965	183,00 €183,00 Qty 11+ €161,00 Request Quote	3-4 days ×
15.00 15.00	- -	2.00 2.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-513	183,00 €183,00 Qty 11+ €161,00 Request Quote	3-4 days ×
20.00 20.00	- -	2.00 2.00	Uncoated Uncoated	#63-207	149,00 €149,00 Qty 11+ €131,00 Request Quote	In Stock ×
20.00 20.00	- -	2.00 2.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-804	191,00 €191,00 Qty 11+ €168,00 Request Quote	3-4 days ×
20.00 20.00	- -	2.00 2.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-816	191,00 €191,00 Qty 11+ €168,00 Request Quote	3-4 days ×
20.00 20.00	- -	2.00 2.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-828	191,00 €191,00 Qty 11+ €168,00 Request Quote	3-4 days ×
20.00 20.00	- -	2.00 2.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-966	194,00 €194,00 Qty 11+ €171,00 Request Quote	3-4 days ×
20.00 20.00	- -	2.00 2.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-514	194,00 €194,00 Qty 11+ €171,00 Request Quote	3-4 days ×
25.00 25.00	- -	1.00 1.00	Uncoated Uncoated	#22-455	154,00 €154,00 Qty 11+ €136,00 Request Quote	3-4 days ×
25.00 25.00	- -	3.00 3.00	Uncoated Uncoated	#47-683	154,00 €154,00 Qty 11+ €136,00 Request Quote	3-4 days ×
25.00 25.00	- -	5.00 5.00	Uncoated Uncoated	#22-456	183,00 €183,00 Qty 11+ €161,00 Request Quote	3-4 days ×
25.00 25.00	- -	1.00 1.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#22-597	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.00 25.00	- -	3.00 3.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-805	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.00 25.00	- -	5.00 5.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#22-601	225,00 €225,00 Qty 11+ €199,00 Request Quote	3-4 days ×
25.00 25.00	- -	1.00 1.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#22-598	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.00 25.00	- -	3.00 3.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-817	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.00 25.00	- -	5.00 5.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#22-602	225,00 €225,00 Qty 11+ €199,00 Request Quote	3-4 days ×
25.00 25.00	- -	1.00 1.00	NIR II (750-1550nm) NIR II (750-1550nm)	#22-599	196,00 €196,00 Qty 11+ €173,00 Request Quote	Contact Us ×
25.00 25.00	- -	3.00 3.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-829	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.00 25.00	- -	5.00 5.00	NIR II (750-1550nm) NIR II (750-1550nm)	#22-603	225,00 €225,00 Qty 11+ €199,00 Request Quote	3-4 days ×
25.00 25.00	- -	1.00 1.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#22-600	199,00 €199,00 Qty 11+ €176,00 Request Quote	3-4 days ×
25.00 25.00	- -	3.00 3.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-967	199,00 €199,00 Qty 11+ €176,00 Request Quote	3-4 days ×
25.00 25.00	- -	5.00 5.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#22-604	228,00 €228,00 Qty 11+ €201,00 Request Quote	3-4 days ×
25.00 25.00	- -	1.00 1.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-515	199,00 €199,00 Qty 11+ €176,00 Request Quote	3-4 days ×
25.00 25.00	- -	3.00 3.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-516	199,00 €199,00 Qty 11+ €176,00 Request Quote	3-4 days ×
25.00 25.00	- -	5.00 5.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-517	228,00 €228,00 Qty 11+ €201,00 Request Quote	3-4 days ×
- -	25.00 x 25.00 25.00 x 25.00	3.00 3.00	Uncoated Uncoated	#25-766	186,00 €186,00 Qty 11+ €164,00 Request Quote	3-4 days ×
25.40 25.40	- -	1.00 1.00	Uncoated Uncoated	#22-457	154,00 €154,00 Qty 11+ €136,00 Request Quote	3-4 days ×
25.40 25.40	- -	3.00 3.00	Uncoated Uncoated	#11-874	154,00 €154,00 Qty 11+ €136,00 Request Quote	3-4 days ×
25.40 25.40	- -	1.00 1.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#22-605	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.40 25.40	- -	3.00 3.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-806	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.40 25.40	- -	1.00 1.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#22-606	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.40 25.40	- -	3.00 3.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-818	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.40 25.40	- -	1.00 1.00	NIR II (750-1550nm) NIR II (750-1550nm)	#22-607	196,00 €196,00 Qty 11+ €173,00 Request Quote	3-4 days ×
25.40 25.40	- -	3.00 3.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-830	196,00 €196,00 Qty 11+ €173,00 Request Quote	In Stock ×
25.40 25.40	- -	1.00 1.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#22-608	199,00 €199,00 Qty 11+ €176,00 Request Quote	Contact Us ×
25.40 25.40	- -	3.00 3.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-968	199,00 €199,00 Qty 11+ €176,00 Request Quote	3-4 days ×
25.40 25.40	- -	1.00 1.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-518	199,00 €199,00 Qty 11+ €176,00 Request Quote	3-4 days ×
25.40 25.40	- -	3.00 3.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-519	199,00 €199,00 Qty 11+ €176,00 Request Quote	3-4 days ×
30.00 30.00	- -	3.00 3.00	Uncoated Uncoated	#63-208	207,00 €207,00 Qty 11+ €183,00 Request Quote	3-4 days ×
30.00 30.00	- -	3.00 3.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-807	257,00 €257,00 Qty 11+ €227,00 Request Quote	3-4 days ×
30.00 30.00	- -	3.00 3.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-819	257,00 €257,00 Qty 11+ €227,00 Request Quote	3-4 days ×
30.00 30.00	- -	3.00 3.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-831	257,00 €257,00 Qty 11+ €227,00 Request Quote	3-4 days ×
30.00 30.00	- -	3.00 3.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-969	260,00 €260,00 Qty 11+ €229,00 Request Quote	3-4 days ×
30.00 30.00	- -	3.00 3.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-520	260,00 €260,00 Qty 11+ €229,00 Request Quote	3-4 days ×
40.00 40.00	- -	3.00 3.00	Uncoated Uncoated	#63-209	239,00 €239,00 Qty 11+ €211,00 Request Quote	3-4 days ×
40.00 40.00	- -	3.00 3.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-808	289,00 €289,00 Qty 11+ €255,00 Request Quote	3-4 days ×
40.00 40.00	- -	3.00 3.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-820	289,00 €289,00 Qty 11+ €255,00 Request Quote	Contact Us ×
40.00 40.00	- -	3.00 3.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-832	289,00 €289,00 Qty 11+ €255,00 Request Quote	3-4 days ×
40.00 40.00	- -	3.00 3.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-970	289,00 €289,00 Qty 11+ €255,00 Request Quote	3-4 days ×
40.00 40.00	- -	3.00 3.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-521	300,00 €300,00 Qty 11+ €265,00 Request Quote	3-4 days ×
50.00 50.00	- -	1.00 1.00	Uncoated Uncoated	#22-459	270,00 €270,00 Qty 11+ €239,00 Request Quote	3-4 days ×
50.00 50.00	- -	3.00 3.00	Uncoated Uncoated	#47-684	270,00 €270,00 Qty 11+ €239,00 Request Quote	3-4 days ×
50.00 50.00	- -	1.00 1.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#22-609	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.00 50.00	- -	3.00 3.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-809	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.00 50.00	- -	1.00 1.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#22-610	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.00 50.00	- -	3.00 3.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-821	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.00 50.00	- -	1.00 1.00	NIR II (750-1550nm) NIR II (750-1550nm)	#22-611	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.00 50.00	- -	3.00 3.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-833	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.00 50.00	- -	1.00 1.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#22-612	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.00 50.00	- -	3.00 3.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-971	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.00 50.00	- -	1.00 1.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-522	335,00 €335,00 Qty 11+ €294,00 Request Quote	3-4 days ×
50.00 50.00	- -	3.00 3.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-523	335,00 €335,00 Qty 11+ €294,00 Request Quote	3-4 days ×
50.80 50.80	- -	3.00 3.00	Uncoated Uncoated	#11-875	270,00 €270,00 Qty 11+ €239,00 Request Quote	3-4 days ×
50.80 50.80	- -	3.00 3.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-810	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.80 50.80	- -	3.00 3.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-822	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.80 50.80	- -	3.00 3.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-834	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.80 50.80	- -	3.00 3.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-972	321,00 €321,00 Qty 11+ €283,00 Request Quote	3-4 days ×
50.80 50.80	- -	3.00 3.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-524	335,00 €335,00 Qty 11+ €294,00 Request Quote	3-4 days ×
75.00 75.00	- -	5.00 5.00	Uncoated Uncoated	#87-705	830,00 €830,00 Qty 11+ €735,00 Request Quote	3-4 days ×
75.00 75.00	- -	5.00 5.00	UV-VIS (250-700nm) UV-VIS (250-700nm)	#14-811	915,00 €915,00 Qty 11+ €805,00 Request Quote	3-4 days ×
75.00 75.00	- -	5.00 5.00	VIS-NIR (400-1000nm) VIS-NIR (400-1000nm)	#14-823	915,00 €915,00 Qty 11+ €805,00 Request Quote	3-4 days ×
75.00 75.00	- -	5.00 5.00	NIR II (750-1550nm) NIR II (750-1550nm)	#14-835	915,00 €915,00 Qty 11+ €805,00 Request Quote	3-4 days ×
75.00 75.00	- -	5.00 5.00	BBAR (1650-3000nm) BBAR (1650-3000nm)	#15-973	905,00 €905,00 Qty 11+ €796,00 Request Quote	3-4 days ×
75.00 75.00	- -	5.00 5.00	BBAR (2000-5000nm) BBAR (2000-5000nm)	#23-525	940,00 €940,00 Qty 11+ €830,00 Request Quote	3-4 days ×
100.00 100.00	- -	6.00 6.00	Uncoated Uncoated	#17-605	1.955,00 €1.955,00 Qty 11+ €1.722,00 Request Quote	3-4 days ×
125.00 125.00	- -	6.00 6.00	Uncoated Uncoated	#17-606	3.340,00 €3.340,00 Qty 11+ €2.948,00 Request Quote	3-4 days ×

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Resources

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Anti-Reflection (AR) Coatings

Anti-reflection (AR) coatings are applied to optical components to increase throughput and reduce hazards caused by back-reflections.

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An Introduction to Optical Coatings

Optical coatings are used to influence the transmission, reflection, or polarization properties of an optical component.

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Advantages of using engineered chalcogenide glass for color corrected, passively athermalized LWIR imaging systems

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Infrared Light

Optical Engineer Andrew Fisher explains how you can see the "invisible" light, or infrared light, from your own TV remote.

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Short Wave Infrared (SWIR)

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Beam Displacement Calculator

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Understanding Optical Windows

Determine how to select an optical window based on its material transmission, thermal and mechanical properties, and other specifications at Edmund Optics.

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Optical Windows Review

Optical Windows provide protection between an optical system or sensitive electronics and an outside environment.

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I need a window for imaging underwater. The water is filtered and at room temperature with a very small amount of detergent in it. It is flowing at low speed. Will a MgF2 coated window survive this for a few years?

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Advantages of Using Meniscus Lenses in Infrared Applications

Meniscus lenses offer superior performance compared to plano convex lenses in IR applications. Find out the benefits of using a meniscus lens at Edmund Optics.

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The Correct Material for Infrared (IR) Applications

Using an Infrared Application? Discover the importance of choosing the right material and comparisons of each at Edmund Optics.

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Is it okay to clean an infrared lens, for example one made of germanium, with ethanol?

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Infrared (IR) Spectrum

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UV vs. IR Grade Fused Silica

UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

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What is SWIR?

Have a question about short-wave infrared (SWIR)? Find definitions, application uses, and examples at Edmund Optics.

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Hyperspectral and Multispectral Imaging

Are you trying to gauge depth of field in your imaging system? Take a closer look at this article on depth of field calculations at Edmund Optics.

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Hyperspectral & Multispectral Imaging – TRENDING IN OPTICS: EPISODE 7

Hyperspectral and multispectral imaging are imaging technologies that capture information from a broader portion of the electromagnetic spectrum.

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You offer many substrates for UV and IR applications. How do I know which is best for me?

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Optical Glass

Choosing the right optical glass is important. Find out factors and properties on how to select the right optical glass at Edmund Optics.

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Surface Accuracy

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BBAR Coating

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Understanding Surface Quality Specifications

The surface quality of optical components the scattering off of its surface, which is especially important in laser optics applications.

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Removing Protective Plastic Coating

A protective plastic coating protects a variety of our flat optics, such as optical windows, optical mirrors, and beamsplitters, from scratches during shipping.

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Anti-Reflection (AR) Coating

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Bevel

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Parallelism

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Seamed Edge

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Introduction to Basic Ray Optics

An understanding of refraction and basic ray optics is a critical foundation for understanding more complicated optical concepts and technologies.

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Surface Flatness

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Transmission

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How do I clean my optics?

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Clear Aperture (CA)

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Edmund Optics Global Manufacturing Facilities

Edmund Optics® (EO) manufactures millions of precision optical components and subassemblies every year in our 5 global manufacturing facilities.

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Metrology at Edmund Optics: Measuring as a Key Component of Manufacturing

Learn about the metrology that Edmund Optics® uses to guarantee the quality of all optical components and assemblies.

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Surface Quality

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Calcium Fluoride (CaF2) Windows

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Common Specifications

Products

Technical Information

Accessories

Related Products

Resources

Anti-Reflection (AR) Coatings

An Introduction to Optical Coatings

Advantages of using engineered chalcogenide glass for color corrected, passively athermalized LWIR imaging systems

Infrared Light

Short Wave Infrared (SWIR)

Beam Displacement Calculator

Understanding Optical Windows

Optical Windows Review

I need a window for imaging underwater. The water is filtered and at room temperature with a very small amount of detergent in it. It is flowing at low speed. Will a MgF2 coated window survive this for a few years?

Advantages of Using Meniscus Lenses in Infrared Applications

The Correct Material for Infrared (IR) Applications

Is it okay to clean an infrared lens, for example one made of germanium, with ethanol?

Infrared (IR) Spectrum

UV vs. IR Grade Fused Silica

What is SWIR?

Hyperspectral and Multispectral Imaging

Hyperspectral & Multispectral Imaging – TRENDING IN OPTICS: EPISODE 7

You offer many substrates for UV and IR applications. How do I know which is best for me?

Optical Glass

Surface Accuracy

BBAR Coating

Understanding Surface Quality Specifications

Removing Protective Plastic Coating

Anti-Reflection (AR) Coating

Bevel

Parallelism

Seamed Edge

Introduction to Basic Ray Optics

Surface Flatness

Transmission

How do I clean my optics?

Clear Aperture (CA)

Edmund Optics Global Manufacturing Facilities

Metrology at Edmund Optics: Measuring as a Key Component of Manufacturing

Surface Quality

Calcium Fluoride (CaF₂) Windows