Name: 75mm Dia. 5mm Thick Uncoated, 1λ Fused Silica Window
Brand: TECHSPEC
SKU: 39-291
Price: €157,50

75mm Dia. 5mm Thick Uncoated, 1λ Fused Silica Window

Stock #39-291 Other Coating Options

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€157,50

Qty 1-5
€157,50

Qty 6+
€133,90

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Abbe Number (v_d):

67.8

Bevel:

Protective as needed

Clear Aperture (%):

Clear Aperture CA (mm):

67.50

Diameter (mm):

75.00 +0.00/-0.20

Thickness (mm):

5.00 ±0.38

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 (arcmin):

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 Flatness (P-V):

1λ

Surface Quality:

60-40

Type:

Protective Window

Wavelength Range (nm):

200 - 2200

Young's Modulus (GPa):

Type of Window:

Glass

Regulatory Compliance

RoHS 2015:

Compliant

Reach 219:

Compliant

Certificate of Conformance:

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Product Family Description

Available Uncoated or with Broadband Anti-Reflection Coatings
Ideal for Cost Sensitive Broadband Applications
Sizes Ranging from 5mm to 100mm Diameter
λ/4 or λ/10 UV Fused Silica Windows Also Available

TECHSPEC® 1λ UV Fused Silica Windows are precision manufactured using UV-grade synthetic fused silica. In addition to superior transmission, the synthetic fused silica of these optical windows exhibit higher thermal properties, exceptional purity, and excellent environmental durability for demanding applications.

Note: New additions to this product family may be specified with a transmitted wavefront distortion (TWD) specification instead of a surface flatness. For more information on the difference between these two specifications, see our application note on Understanding Optical Windows.

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	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 ×
75.0/76.2mm Optic Dia., Optical Cell Assembly	Fixed	#36-466	€185,00 Qty 10+ €163,30 Request Quote	3-4 days ×
108.0mm Max Optic Dia., Jaw Clamp	Fixed	#53-038	€624,00 Qty 5+ €549,50 Request Quote	3-4 days ×
108.0mm Max Optic Dia., Jaw Clamp and 6" Kinematic Mount	Adjustable - Tip-Tilt	#53-040	€933,00 Qty 5+ €868,40 Request Quote	3-4 days ×
75.0/76.2mm Optic Dia., Optical Cell Kinematic Mount	Adjustable - Tip-Tilt	#53-965	€511,00 Qty 10+ €486,00 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 ×
75.0/76.2mm Optic Dia., E-Series Kinematic Mount	Adjustable - Tip-Tilt	#15-868	€189,00 Qty 10+ €179,60 Request Quote	3-4 days ×