Plano-Concave Lens, N-BK7, 25.4 mm Diameter, -25 mm EFL, 1064 nm

1064 nm N-BK7 Plano-Concave Lenses

The KPC043AR.33 N-BK7 Plano-Concave Lens is a 1064 nm anti-reflection coated, 25.4 mm diameter, N-BK7, plano-concave lens with an effective focal length of -25 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision plano-concave lenses are manufactured from fine annealed optical glass and are polished to tight tolerances using master test plates to ensure minimum wavefront distortion.

Specifications

Technical Specs

Lens Shape
Plano-Concave
Diameter
25.4 mm
Lens Material
N-BK7
Antireflection Coating
1064 nm
Coating Type
Laser Line V-Coat Multilayer
Coating Code
AR.33
Damage Threshold
12 J/cm² for 10 ns pulses, 10 Hz @ 1064 nm
Surface Quality
40-20 scratch-dig
Surface Accuracy, Irregularity
λ/4
Surface Accuracy, Power
1.5 λ
F/#
-0.9
Effective Focal Length (EFL)
-25 mm
Back Focal Length (BFL)
-26.64 mm
Radius of Curvature (R)
-12.920 mm

Edge Thickness (T<sub>e</sub>)
9.40 mm
Center Thickness (T<sub>c</sub>)
2.5 mm
Principal Plane 2 (P<sub>2</sub>)
-1.64 mm
Design Wavelength
589 nm
Centration
≤3 arc min
Chamfers
0–0.8 mm face width
Chamfers Angle/Tolerance
45° ±15°, typical
Focal Length Tolerance
±1 %
Diameter Tolerance
+0/-0.1 mm
Center Thickness Tolerance
±0.1 mm
Clear Aperture
≥central 90% of diameter
Cleaning
See How to Clean Optics

Lens Shape
Plano-Concave
Diameter
25.4 mm
Lens Material
N-BK7
Antireflection Coating
1064 nm
Coating Type
Laser Line V-Coat Multilayer
Coating Code
AR.33
Damage Threshold
12 J/cm² for 10 ns pulses, 10 Hz @ 1064 nm
Surface Quality
40-20 scratch-dig
Surface Accuracy, Irregularity
λ/4
Surface Accuracy, Power
1.5 λ
F/#
-0.9
Effective Focal Length (EFL)
-25 mm
Back Focal Length (BFL)
-26.64 mm
Radius of Curvature (R)
-12.920 mm

Edge Thickness (T<sub>e</sub>)
9.40 mm
Center Thickness (T<sub>c</sub>)
2.5 mm
Principal Plane 2 (P<sub>2</sub>)
-1.64 mm
Design Wavelength
589 nm
Centration
≤3 arc min
Chamfers
0–0.8 mm face width
Chamfers Angle/Tolerance
45° ±15°, typical
Focal Length Tolerance
±1 %
Diameter Tolerance
+0/-0.1 mm
Center Thickness Tolerance
±0.1 mm
Clear Aperture
≥central 90% of diameter
Cleaning
See How to Clean Optics

Resources & Downloads

Drawings And Cad

PLANOCO1 CAV-S(88 kB, PDF)

Software

KPC043AR.33 Zemax File(5.2 kB, ZMX)

Other

KPC043AR.33 RoHS Certificate(709.1 kB, PDF)
AR.33 Raw Data.xlsx(57.4 kB, XLSX)

Related Products

Similar

	Compare	Description	Compatibility	Drawings, CAD & Specs	Avail.	Price
		KPX076AR.33Plano-Convex Lens, N-BK7, 25.4 mm Diameter, 25.4 mm EFL, 1064 nm	UNIVERSAL			$63
		KBX046AR.33Bi-Convex Lens, N-BK7, 25.4 mm Diameter, 25.4 mm EFL, 1064nm	UNIVERSAL			$79
		SPC013AR.33Plano-Concave Lens, Fused Silica, 12.7 mm, -25 mm EFL, 1064 nm	UNIVERSAL			$194
		KBC046AR.33Bi-Concave Lens, N-BK7, 25.4 mm Diameter, -25 mm EFL, 1064nm	UNIVERSAL			$87

Compatible

	Compare	Description	Compatibility	Drawings, CAD & Specs	Avail.	Price
		VLH-1AV-Groove Lens Holder, 0.25 to 1.25 in. Diameter Lenses	UNIVERSAL			$161
		LP-1APrecision Lens Positioner, 1.0 in., 100 TPI XYθXθY, 80 TPI Z	UNIVERSAL			$1,023
		AC-1AVariable Size Lens Mount, 5.0-46.2 mm, Thumbscrew Support Arms	UNIVERSAL			$58
		LCM-1Lens Mount, Self-Centering, 0.125-1.063 in. Diameter Lenses	IMPERIAL			$282
		LT10-20Lens Tube, 1 inch LT Series, 2 inch length	UNIVERSAL			$24