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See all 38 Products in Family

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

35mm Diameter Uncoated, B270 Window

Stock #45-642

$35.00

Qty 1-5
$35.00

Qty 6
$28.20

Volume Pricing
Request a Quote

eDrawing: eprt IGES PDF Drawing STEP: step

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Abbe Number (v_d):

58.3

Diameter (mm):

35.00

Dimensional Tolerance (mm):

±0.25

Thickness (mm):

2.00

Coating:

Uncoated

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

9.4

Knoop Hardness (GPa):

542

Young's Modulus (GPa):

71.5

Density (g/cm³):

2.56

Edges:

Ground, Maximum 0.25 Edge Chip

Index of Refraction n_d:

1.522

Poisson's Ratio:

0.22

Substrate:

B270

Surface Flatness:

1λ

Surface Quality:

60-40

Type:

Protective Window

Regulatory Compliance

RoHS 2015:

Compliant

Reach 209:

Compliant

Product Family Description

Large Selection of Sizes
Available Uncoated or with a MgF₂ Anti-Reflection Coating
Custom Sizes Available for Volume OEM Requirements

TECHSPEC® B270 Windows are ideal for commercial applications requiring a thin substrate. Available uncoated or with a MgF₂ Anti-Reflection coating, these windows are often used as a protective element between two environments. Custom sizes and coatings are available for OEM applications.

Title	Stock Number	Price	Buy
108.0mm Max Optic Dia., Jaw Clamp	#53-038	$549.00 Qty 5+ $494.25 Request a Quote	In Stock ×
108.0mm Max Optic Dia., Jaw Clamp and 6" Kinematic Mount	#53-040	$825.00 Qty 5+ $783.75 Request a Quote	In Stock ×
8.0 - 118.0 Optic Height, English Bar-Type Optic Holder	#03-666	$95.25 Qty 10+ $85.75 Request a Quote	In Stock ×
7.0 - 67.0 Optic Height, English Bar-Type Optic Holder	#03-669	$91.25 Qty 10+ $82.25 Request a Quote	In Stock ×
7.0 - 40.0 Optic Height, English Bar-Type Optic Holder	#03-676	$85.00 Qty 10+ $76.50 Request a Quote	In Stock ×
10.0 - 60.0mm Optic Height, Metric Bar-Type Optic Holder	#55-530	$91.25 Qty 10+ $82.25 Request a Quote	In Stock ×
2.0 - 35.0mm Optic Dia., Three-Screw Adjustable Ring Mount	#03-668	$51.00 Qty 10+ $46.00 Request a Quote	Contact Us ×
19.5 - 108.0mm Optic Dia., Three-Screw Adjustable Ring Mount	#03-670	$86.75 Qty 10+ $78.25 Request a Quote	In Stock ×
9.5 - 73.0mm Optic Dia., Three-Screw Adjustable Ring Mount	#36-605	$63.75 Qty 10+ $57.50 Request a Quote	In Stock ×
4.0 - 36.0mm Optic Dia., Self-Centering Jaw Clamp	#16-077 New ×	$130.00 Qty 5+ $117.00 Request a Quote	In Stock ×
5.0 - 100.0mm Optic Dia., Self-Centering Jaw Clamp	#16-078 New ×	$340.00 Qty 5+ $306.00 Request a Quote	In Stock ×