Name: 12.5mm Dia. Uncoated, λ/10 Fused Silica Window
Brand: TECHSPEC
SKU: 48-022
Price: $111.00

Angle of Incidence (°):

Bevel:

Protective as needed

Clear Aperture CA (mm):

11.25

Coating:

Uncoated

Diameter (mm):

12.50 +0.00/-0.10

Thickness (mm):

3.00 ±0.10

Parallelism (arcsec):

≤5

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

Fused Silica Excimer Grade (Corning 7980 KrF)

Surface Quality:

10-5

Transmitted Wavefront, P-V:

λ/10

Type:

Laser Line Window

Wavelength Range (nm):

200 - 2200

Young's Modulus (GPa):

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

0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)

Density (g/cm³):

2.20

Index of Refraction n_d:

1.458

Poisson's Ratio:

0.16

Abbe Number (v_d):

67.8

Edges:

Fine Ground

Regulatory Compliance

RoHS 2015:

Compliant

REACH 201:

Compliant

Certificate of Conformance:

View

Product Family Description

10-5 Surface Quality and λ/10 Surface Flatness
Fused Silica or N-BK7 Material
Standard Imperial Sizes for Drop-in Replacement Solutions
Laser Line Coated Versions Available
Mirror Substrates Also Available

TECHSPEC® Uncoated Laser Window Substrates are laser quality window substrates designed to be used in demanding laser applications. These laser window substrates are available, manufactured from fused silica for high power laser applications that require excellent thermal stability or from N-BK7 for more cost sensitive laser applications. Both the fused silica and N-BK7 laser window substrates feature precision grade λ/10 surface flatness and 10-5 surface quality, ensuring minimal disturbance to transmitted beams. TECHSPEC Uncoated Laser Window Substrates are available in standard imperial sizes from 12.7 to 50.8mm in diameter for the convenience of drop-in replacement into existing laser systems. Custom dimensional and coating options are available, please contact us for custom inquiries.

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