18.0mm Dia. x 18.0mm FL, NIR II, Inked, Plano-Convex Lens

Diameter (mm):

18.00 ±0.025

Effective Focal Length EFL (mm):

18.00 @ 587.6nm

Back Focal Length BFL (mm):

15.20

Coating:

NIR II (750-1550nm)

Coating Specification:

R_abs ≤1.5% @ 750 - 800nm
R_abs ≤1.0% @ 800 - 1550nm
R_avg ≤0.7% @ 750 - 1550nm

N-SF11

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):

5.00 ±0.10

Edge Thickness ET (mm):

1.76

Radius R₁ (mm):

14.13

Clear Aperture CA (mm):

f/#:

Numerical Aperture NA:

0.50

Type:

Plano-Convex Lens

Bevel:

Protective bevel as needed

Typical Energy Density Limit:

8 J/cm² @ 1064nm, 10ns

Wavelength Range (nm):

750 - 1550

8 J/cm² @ 1064nm, 10ns

Regulatory Compliance

RoHS:

Compliant

Certificate of Conformance:

View

Product Family Description

New Lower Price!
AR Coated to Provide <0.7% Reflectance per Surface for 750 - 1550nm
Designed for 0° Angle of Incidence
Various Coating Options: Uncoated, MgF₂, VIS 0°, VIS-NIR, NIR I, 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.

Title	Type	Stock Number	Price	Buy
18mm Diameter, C-Mount Thin Optic Mount	Fixed	#54-617	$49.50 Qty 5+ $43.90 Request Quote	In Stock ×
18.0mm Optic Dia., Optic Mount	Fixed	#64-558	$27.00 Qty 10+ $24.30 Request Quote	In Stock ×
18mm Inner Single Optic Mount	Fixed	#38-753	$31.00 Qty 5+ $29.30 Request Quote	In Stock ×