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

25.4mm Dia., 6.35mm Thick, Superpolished Laser Window Substrate

TECHSPEC® Superpolished Substrates

TECHSPEC® Superpolished Substrates

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Stock #11-555 3-4 days
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€445,00
Qty 1-10
€445,00
Qty 11+
€395,00
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Specifications

General

Type:
Laser Window Substrate

Physical & Mechanical Properties

Clear Aperture CA (mm):
22.86
Diameter (mm):
25.40 +0.00/-0.10
Thickness (mm):
6.35 ±0.10
Bevel:
Protective as needed
Clear Aperture (%):
90
Parallelism (arcsec):
<30
Surface Roughness (Å):
≤1 RMS as measured using an optical profiler using a 20x objective at a spatial frequency bandwidth of 9 to 250 cycles per mm
Edges:
Commercial Polish

Optical Properties

Coating:
Uncoated
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Index of Refraction (nd):
1.458
Surface Quality:
10-5
Abbe Number (vd):
67.8
Wavelength Range (nm):
200 - 2200
Surface Flatness (P-V):
λ/10

Regulatory Compliance

RoHS:
Certificate of Conformance:

Product Details

  • Superpolished on Both Surfaces with ≤1Å RMS Surface Roughness
  • Low Scatter Surfaces Ideal for UV or High Power Laser Applications
  • UV Fused Silica Substrates with Polished Bevels and Edges
  • In-House Manufacturing Enables Custom Sizes and Shapes from 6 to 76.2mm and Surface Roughness <0.5Å

TECHSPEC® Superpolished Substrates are superpolished on both surfaces to achieve superior surface specifications, including ≤1Å RMS surface roughness. The superpolished surfaces of these windows reduce scatter, making them ideal for UV or high power laser applications where scatter is a concern. The low scatter of these windows also allows for their use as substrates for ion-beam sputtering (IBS) coatings. TECHSPEC Superpolished Substrates are used in metrology applications including cavity-ring down spectroscopy, scatterometry, and in ring laser gyroscopes, as well as in UV medical applications such as eye surgery. Please contact us if your application requires a Superpolished Substrate with a custom size, if you are interested in custom coating opportunities, or to discuss how these low scatter substrates will affect your coated optic performance. Single side superpolishing is also available.

Superpolished Optics for Minimized Scatter

Learn More  

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