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20.0mm Diameter x -100 FL, NIR I Coated, Plano-Concave Lens

Name: 20.0mm Diameter x -100 FL, NIR I Coated, Plano-Concave Lens
Brand: TECHSPEC
SKU: 22-247
Price: €43,50

Stock #22-247 New Other Coating Options

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€43,50

Qty 1-9
€43,50

Qty 10+
€39,25

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Code V Curve (pdf) eDrawings: eprt IGES STEP: step Zemax: zar Zemax: zmx

Diameter (mm):

20.00 +0.0/-0.025

Effective Focal Length EFL (mm):

-100.00

N-BK7

f/#:

4.00

Numerical Aperture NA:

0.13

Coating:

NIR I (600-1050nm)

Type:

Plano-Concave Lens

Wavelength Range (nm):

600 - 1050

Back Focal Length BFL (mm):

-102.88

Bevel:

Protective bevel as needed

Center Thickness CT (mm):

3.50

Center Thickness Tolerance (mm):

±0.10

Centering (arcmin):

Clear Aperture CA (mm):

19.00

Coating Specification:

R_avg ≤0.5% @ 600 - 1050nm

Edge Thickness ET (mm):

4.42

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Radius R₁ (mm):

-51.68

Surface Quality:

40-20

Typical Energy Density Limit:

7 J/cm² @ 1064nm, 10ns

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Regulatory Compliance

RoHS 2015:

Compliant

Reach 224:

Compliant

Certificate of Conformance:

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Product Family Description

AR Coated to Provide <0.5% Reflectance per Surface for 600 - 1050nm
Designed for 0° Angle of Incidence
Various Coating Options: Uncoated, MgF₂, VIS 0°, VIS-NIR, YAG-BBAR, and NIR II

Plano-Concave (PCV) lenses have one flat and one inward curved surface. PCV lenses have a negative focal length and are used for image reduction or to spread light.

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