20mm Dia. x 50mm FL, NIR I Coated, Plano-Convex Lens

Diameter (mm):

20.00 -0.025

Effective Focal Length EFL (mm):

50.00 @ 587.6nm

Back Focal Length BFL (mm):

47.25

Coating:

NIR I (600-1050nm)

Coating Specification:

R_avg ≤0.5% @ 600 - 1050nm

Fused Silica

Surface Quality:

40-20

Power (P-V) @ 632.8nm:

3 Rings

Irregularity (P-V) @ 632.8nm:

0.5 Rings

Focal Length Tolerance (%):

±1

Centering (arcmin):

Center Thickness CT (mm):

4.00 ±0.10

Edge Thickness ET (mm):

1.70

Radius R₁ (mm):

22.92

Clear Aperture CA (mm):

f/#:

2.5

Numerical Aperture NA:

0.20

Type:

Plano-Convex Lens

Bevel:

Protective bevel as needed

Typical Energy Density Limit:

7 J/cm² @ 1064nm, 10ns

Wavelength Range (nm):

600 - 1050

Regulatory Compliance

RoHS:

Compliant

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, NIR II, VIS-EXT, and YAG-BBAR

Plano-Convex (PCX) Lenses have a positive focal length, making them ideal for collecting and focusing light in imaging applications. They are also useful in a variety of applications involving emitters, detectors, lasers, and fiber optics. Coated versions have optimum light transmission. Available in a wide variety of diameters and focal lengths.