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See all 70 Products in Family

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More
40mm Diameter, 633nm V-Coat, λ/4 N-BK7 Window

Stock #49-143

S$144.00

Qty 1-5
S$144.00

Qty 6
S$115.20

Volume Pricing
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Curves eDrawings: eprt IGES PDF Drawings STEP: step

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Clear Aperture (%):

Coating:

Laser V-Coat (633nm)

Coating Specification:

R_abs <0.25% @ 633nm

Diameter (mm):

40.00 +0.00/-0.25

Thickness (mm):

4.00

Design Wavelength DWL (nm):

633

Parallelism (arcmin):

Substrate:

N-BK7

Surface Flatness:

λ/4

Surface Quality:

60-40

Thickness Tolerance (mm):

±0.20

Type:

Laser Line Window

Regulatory Compliance

RoHS 2015:

Compliant

REACH 201:

Compliant

Product Family Description

<0.25% Reflection at Design Wavelength
Coatings Available for HeNe, Diode, and Nd:YAG Laser Sources
Precision N-BK7 Substrate
Also Available Uncoated, MgF₂ Coated and VIS 0° Coated

TECHSPEC® λ/4 N-BK7 Laser Line Windows are ideally suited for industrial and low power laser applications. The high tolerance design yields minimal beam distortion and scatter. Anti-reflection coatings provide <0.25% reflection at the coating's design wavelengths.