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N-BK7 Bi-Concave Lens, 25.4 mm Diameter, -75 mm EFL, 1064nm

N-BK7 Bi-Concave Lens, 25.4 mm Diameter, -75 mm EFL, 1064nm
N-BK7 Bi-Concave Lens, 25.4 mm Diameter, -75 mm EFL, 1064nm
N-BK7 Bi-Concave Lens, 25.4 mm Diameter, -75 mm EFL, 1064nm
N-BK7 Bi-Concave Lens, 25.4 mm Diameter, -75 mm EFL, 1064nm
N-BK7 Bi-Concave Lens, 25.4 mm Diameter, -75 mm EFL, 1064nm
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  • Product Code: KBC040AR.33
$78.00
Ex Tax: $78.00

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The KBC040AR.33 Bi-Concave Lens is a 1064 nm anti-reflection coated, 25.4 mm diameter, N-BK7 Bi-concave lens with an effective focal length of -75 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-concave lenses are manufactured from fine annealed optical glass and are polished to tight tolerances using master test plates to ensure minimum wavefront distortion.

feature
Antireflection Coating 1064 nm
Center Thickness 2.5 mm
Center Thickness Tolerance ±0.1 mm
Centration ≤3 arc min
Chamfers 0–0.8 mm face width
Chamfers Angle/Tolerance 45° ±15°, typical
Cleaning See How to Clean Optics
Clear Aperture ≥central 90% of diameter
Coating Code AR.33
Coating Type Laser Line V-Coat Multilayer
Damage Threshold 7.5 J/cm2, 10 ns pulses, 20 Hz at 1064 nm
Diameter 25.4 mm
Diameter Tolerance +0/-0.1 mm
Edge Thickness 4.19 mm
Effective Focal Length -75 mm
F/# -2.9
Focal Length Tolerance ±1 %
Focal Length, Back -75.82 mm
Lens Material N-BK7
Lens Shape Bi-Concave
Principal Plane 1 0.82 mm
Principal Plane 2 -0.82 mm
Radius of Curvature -77.943 mm
Surface Accuracy, Irregularity λ/4
Surface Accuracy, Power 1.5 λ
Surface Flatness λ/4
Surface Quality 40-20 scratch-dig

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Tags: N-BK7 Bi-Concave Lens , 25.4 mm Diameter , -75 mm EFL , 1064nm , KBC040AR.33 , N-BK7 Bi-Concave Lenses