Name: 20.0mm Diameter x 40.0mm FL, 405nm V-Coat, PCX Lens
Brand: TECHSPEC
SKU: 88-973
Price: ₹4,505.00

20.0mm Diameter x 40.0mm FL, 405nm V-Coat, PCX Lens

Diameter (mm):

20.00 +0.0/-0.025

Effective Focal Length EFL (mm):

40.00 @ 587.6nm

Back Focal Length BFL (mm):

36.77

Coating:

Laser V-Coat (405nm)

Coating Specification:

R_abs <0.25% @ 405nm

N-BK7

Surface Quality:

40-20

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Focal Length Tolerance (%):

±1

Centering (arcmin):

Center Thickness CT (mm):

2.32 ±0.10

Edge Thickness ET (mm):

2.32

Radius R₁ (mm):

20.67

Clear Aperture CA (mm):

f/#:

2.00

Numerical Aperture NA:

0.25

Design Wavelength DWL (nm):

405

Type:

Plano-Convex Lens

Bevel:

Protective bevel as needed

Typical Energy Density Limit:

3 J/cm² @ 405nm, 10ns

Regulatory Compliance

RoHS 2015:

Compliant

Reach 224:

Compliant

Certificate of Conformance:

View

Product Family Description

<0.25% Reflection at 405nm for Diode Applications
BBAR Coating Options Also Available: MgF₂, VIS 0°, VIS-NIR, NIR I, NIR II
405nm, 532nm, 633nm, 785nm, 980nm, 1064nm, 1310nm, and 1550nm V-Coated Options Offered

Our standard TECHSPEC® Plano-Convex lenses are available in a variety of laser line V-Coat AR coating options. Designed for maximum throughput at the specified laser wavelength, these lenses are ideal for applications utilizing low power HeNe, Diode, and Nd:YAG laser sources. With a maximum reflection of <0.25% per surface at the design wavelength, the lenses will provide superior transmission in applications utilizing multiple optical components.>

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