Name: 25.4mm Dia., 3mm Thick, Uncoated λ/10 Fused Silica Window
Brand: TECHSPEC
SKU: 15-403
Price: $130.00

Abbe Number (v_d):

67.8

Bevel:

Protective as needed

Clear Aperture (%):

Clear Aperture CA (mm):

20.32

Diameter (mm):

25.40 +0.00/-0.20

Thickness (mm):

3.00 ±0.10

Coating:

Uncoated

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

Edges:

Fine Ground

Index of Refraction n_d:

1.458

Knoop Hardness (kg/mm²):

522

Parallelism (arcsec):

Poisson's Ratio:

0.16

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

Fused Silica (Corning 7980)

Surface Quality:

20-10

Transmitted Wavefront, P-V:

λ/10

Type:

Protective Window

Wavelength Range (nm):

200 - 2200

Young's Modulus (GPa):

Type of Window:

Glass

Regulatory Compliance

RoHS:

Compliant

Certificate of Conformance:

View

Product Family Description

UV, Visible, and NIR Anti-Reflection Coated Versions Available
λ/10 Transmitted Wavefront Distortion
Sizes Ranging from 5 - 150mm Diameters
1λ or λ/4 UV Fused Silica Windows Also Available

Our precision TECHSPEC® λ/10 UV Fused Silica Windows feature laser-grade surface quality and parallelism. In addition, these windows will limit the transmitted wavefront distortion to λ/10. Available uncoated, or with anti-reflection coatings optimized for the UV or visible spectrum, the superior transmission characteristics and excellent thermal properties combined with high tolerance manufacturing specifications make these windows an excellent choice for more demanding applications.

UV FS Transmission Curve

Title	Type	Stock Number	Price	Buy
8.0 - 118.0 Optic Height, English Bar-Type Optic Holder	Fixed	#03-666	$107.00 Qty 10+ $96.30 Request Quote	In Stock ×
2.0 - 35.0mm Optic Dia., Three-Screw Adjustable Ring Mount	Fixed	#03-668	$59.00 Qty 10+ $52.40 Request Quote	In Stock ×
7.0 - 67.0 Optic Height, English Bar-Type Optic Holder	Fixed	#03-669	$103.00 Qty 10+ $92.70 Request Quote	In Stock ×
19.5 - 108.0mm Optic Dia., Three-Screw Adjustable Ring Mount	Fixed	#03-670	$101.00 Qty 10+ $89.20 Request Quote	In Stock ×
7.0 - 40.0 Optic Height, English Bar-Type Optic Holder	Fixed	#03-676	$95.00 Qty 10+ $85.50 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., Optical Cell Assembly	Fixed	#36-461	$112.00 Qty 10+ $99.30 Request Quote	In Stock ×
9.5 - 73.0mm Optic Dia., Three-Screw Adjustable Ring Mount	Fixed	#36-605	$74.00 Qty 10+ $65.40 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., Precision Gimbal Mount	Adjustable - Gimbal	#54-999	$422.00 Qty 5+ $375.60 Request Quote	In Stock ×
10.0 - 60.0mm Optic Height, Metric Bar-Type Optic Holder	Fixed	#55-530	$101.00 Qty 10+ $90.90 Request Quote	Contact Us ×
25.0/25.4mm Optic Dia., Kinematic Mount, 2-Screws	Adjustable - Tip-Tilt	#58-851	$91.00 Qty 5+ $81.90 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., Kinematic Mount, 3-Screws	Adjustable - Tip-Tilt	#58-854	$99.00 Qty 5+ $89.10 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., X-Y Translating Optic Mount	Adjustable - Linear (XY)	#62-956	$253.00 Qty 5+ $240.40 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., X-Y-Z Translating Optic Mount	Adjustable - Linear (XYZ)	#62-959	$496.00 Qty 5+ $446.40 Request Quote	In Stock ×
25.4mm Optic Dia., 10mm Max Optic Thickness, Optic Mount	Fixed	#64-561	$29.00 Qty 10+ $26.10 Request Quote	In Stock ×
25.4mm Optic Dia., 13mm Max Optic Thickness, Optic Mount	Fixed	#64-562	$29.00 Qty 10+ $26.10 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., L-Slot Direct Mount	Fixed	#36-410	$63.00 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., L-Slot and Rotation Direct Mount	Adjustable - Rotary	#36-411	$91.00 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., Side Flange Direct Mount	Fixed	#36-414	$63.00 Request Quote	In Stock ×
25.4mm Optic Dia., Thin Mirror Mount, M4	Fixed	#13-590	$19.00 Qty 5+ $18.10 Request Quote	In Stock ×
25.4mm Optic Dia., Thin Mirror Mount, 8-32	Fixed	#13-591	$19.00 Qty 5+ $18.10 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, M4	Fixed	#13-787	$19.00 Qty 5+ $18.10 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, 8-32	Fixed	#13-788	$19.00 Qty 5+ $18.10 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., 5 Axes Optical Mount	Adjustable - Linear (XYZ) & Tip-Tilt	#13-776	$691.00 Qty 5+ $656.60 Request Quote	In Stock ×
4.0 - 36.0mm Optic Dia., Self-Centering Jaw Clamp	Fixed	#16-077	$141.00 Qty 5+ $124.10 Request Quote	In Stock ×
5.0 - 100.0mm Optic Dia., Self-Centering Jaw Clamp	Fixed	#16-078	$367.00 Qty 5+ $323.70 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., E-Series Kinematic Mount	Adjustable - Tip-Tilt	#15-866	$40.00 Qty 10+ $38.00 Request Quote	In Stock ×
25.0/25.4mm Optic Diameter, X-Y Translating Quick Start Optical Mounts	Adjustable - Linear (XY)	#17-513	$294.60 Request Quote	In Stock ×
25.4mm Optic Dia., Fixed Optic Mount, Quick Start Optical Mounts	Fixed	#17-515	$92.70 Request Quote	Contact Us ×
25/25.4mm ID, Precision Gimbal Mount, Quick Start Optical Mounts	Adjustable - Gimbal	#17-517	$473.10 Request Quote	In Stock ×
25/25.4mm Diameter, E-Series Kinematic Mount, Quick Start Optical Mounts	Adjustable - Tip-Tilt	#17-521	$78.50 Request Quote	In Stock ×
25/25.4mm Dia., Kinematic Mount, 3-Screws, Quick Start Optical Mounts	Adjustable - Tip-Tilt	#17-523	$137.50 Request Quote	In Stock ×
2"/50.8mm Diameter, Bar Type Lens / Filter Holder, Quick Start Optical Mounts	Fixed	#17-530	$143.70 Request Quote	In Stock ×
25.4mm Optic Dia., Thin Mirror Mount, M4, Quick Start Optical Mounts	Fixed	#17-534	$57.50 Request Quote	In Stock ×
25.4mm Optic Dia., Thin Mirror Mount, 8-32, Quick Start Optical Mounts	Fixed	#17-535	$57.50 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, M4, Quick Start Optical Mounts	Fixed	#17-536	$57.50 Request Quote	In Stock ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, 8-32, Quick Start Optical Mounts	Fixed	#17-537	$57.50 Request Quote	In Stock ×