Name: 25mm Dia. x 3.0mm Thickness Uncoated, Silicon Window
Brand: TECHSPEC
SKU: 68-527
Price: €150,00

Bevel:

Protective as needed

Clear Aperture (%):

90.00

Clear Aperture CA (mm):

22.50

Diameter (mm):

25.00 +0.0/-0.1

Thickness (mm):

3.00 ±0.1

Coating:

Uncoated

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

2.55

Density (g/cm³):

2.33

Edges:

Fine Ground

Index of Refraction n_d:

3.422 @ 5µm

Knoop Hardness (kg/mm²):

1150

Parallelism (arcmin):

Poisson's Ratio:

0.265

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

Silicon (Si)

Surface Flatness (P-V):

1λ

Surface Quality:

60-40

Type:

Protective Window

Wavelength Range (nm):

1200 - 7000

Young's Modulus (GPa):

140

Type of Window:

Crystal

Regulatory Compliance

RoHS 2015:

Compliant

Reach 219:

Compliant

Certificate of Conformance:

View

Product Family Description

Transmission from 1.2 - 7μm
Available Uncoated or AR Coated for 1.65 - 5μm
Ideal for Weight Sensitive Applications

TECHSPEC® Silicon (Si) Windows manufactured from optical grade silicon are popular for the 1.2 - 7μm spectral region due to their low cost and low density. Due to its low density (half that of germanium or zinc selenide), silicon is ideal for weight sensitive applications, especially those in the 1.65 - 5μm region. Density is 2.329 g/cm³ and Knoop Hardness is 1150, making it harder and less brittle than germanium.

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8.0 - 118.0 Optic Height, English Bar-Type Optic Holder	Fixed	#03-666	€107,00 Qty 10+ €96,30 Request Quote	3-4 days ×
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7.0 - 67.0 Optic Height, English Bar-Type Optic Holder	Fixed	#03-669	€103,00 Qty 10+ €92,70 Request Quote	3-4 days ×
19.5 - 108.0mm Optic Dia., Three-Screw Adjustable Ring Mount	Fixed	#03-670	€101,00 Qty 10+ €89,20 Request Quote	3-4 days ×
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	3-4 days ×
9.5 - 73.0mm Optic Dia., Three-Screw Adjustable Ring Mount	Fixed	#36-605	€74,00 Qty 10+ €65,40 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., Precision Gimbal Mount	Adjustable - Gimbal	#54-999	€422,00 Qty 5+ €375,60 Request Quote	3-4 days ×
5.0 - 25.0mm Optic Height, Metric Bar-Type Optic Holder	Fixed	#55-529	€93,00 Qty 10+ €83,70 Request Quote	3-4 days ×
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	3-4 days ×
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	3-4 days ×
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	3-4 days ×
25.0mm Optic Dia., Optic Mount	Fixed	#64-560	€44,00 Qty 10+ €39,60 Request Quote	Contact Us ×
25.0/25.4mm Optic Dia., L-Slot Direct Mount	Fixed	#36-410	€63,00 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., L-Slot and Rotation Direct Mount	Adjustable - Rotary	#36-411	€91,00 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., Side Flange Direct Mount	Fixed	#36-414	€63,00 Request Quote	3-4 days ×
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	3-4 days ×
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	3-4 days ×
4.0 - 36.0mm Optic Dia., Self-Centering Jaw Clamp	Fixed	#16-077	€141,00 Qty 5+ €124,10 Request Quote	3-4 days ×
5.0 - 100.0mm Optic Dia., Self-Centering Jaw Clamp	Fixed	#16-078	€367,00 Qty 5+ €323,70 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., E-Series Kinematic Mount	Adjustable - Tip-Tilt	#15-866	€39,00 Qty 10+ €37,10 Request Quote	Contact Us ×
25.0/25.4mm Optic Diameter, X-Y Translating Quick Start Optical Mounts	Adjustable - Linear (XY)	#17-513	€294,60 Request Quote	3-4 days ×
25/25.4mm ID, Precision Gimbal Mount, Quick Start Optical Mounts	Adjustable - Gimbal	#17-517	€473,10 Request Quote	3-4 days ×
25/25.4mm Diameter, E-Series Kinematic Mount, Quick Start Optical Mounts	Adjustable - Tip-Tilt	#17-521	€77,50 Request Quote	3-4 days ×
25/25.4mm Dia., Kinematic Mount, 3-Screws, Quick Start Optical Mounts	Adjustable - Tip-Tilt	#17-523	€137,50 Request Quote	3-4 days ×
2"/50.8mm Diameter, Bar Type Lens / Filter Holder, Quick Start Optical Mounts	Fixed	#17-530	€143,70 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, M4, Quick Start Optical Mounts	Fixed	#17-536	€57,50 Request Quote	3-4 days ×
25.0/25.4mm Optic Dia., SM1 Thin Mount, 8-32, Quick Start Optical Mounts	Fixed	#17-537	€57,50 Request Quote	3-4 days ×