Name: 12.0mm Diameter x 54.0mm FL, 785nm V-Coat, PCX Lens
Brand: TECHSPEC
SKU: 69-491
Price: €47,00

12.0mm Diameter x 54.0mm FL, 785nm V-Coat, PCX Lens

Diameter (mm):

12.00 +0.0/-0.025

Effective Focal Length EFL (mm):

54.00 @ 587.6nm

Back Focal Length BFL (mm):

52.02

Coating:

Laser V-Coat (785nm)

Coating Specification:

R_abs <0.25% @ 785nm

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):

3.00 ±0.05

Edge Thickness ET (mm):

2.35

Radius R₁ (mm):

27.91

Clear Aperture CA (mm):

f/#:

4.5

Numerical Aperture NA:

0.11

Design Wavelength DWL (nm):

785

Type:

Plano-Convex Lens

Bevel:

Protective bevel as needed

Typical Energy Density Limit:

5 J/cm² @ 785nm, 10ns

Regulatory Compliance

RoHS 2015:

Compliant

Reach 224:

Compliant

Certificate of Conformance:

View

Product Family Description

<0.25% Reflection at 785nm
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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