Bi-Concave Lens, N-BK7, 25.4 mm Diameter, -50 mm EFL, 1000-1550nm
Bi-Concave Lens, N-BK7, 25.4 mm Diameter, -50 mm EFL, 1000-1550nm
Model: KBC043AR.18
In Stock
Product Series Overview
IR N-BK7 Bi-Concave LensesThe KBC043AR.18 Bi-Concave Lens is a 1000 to 1550 nm anti-reflection coated, 25.4 mm diameter, N-BK7 Bi-concave lens with an effective focal length of -50 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.
Specifications
- Lens ShapeBi-Concave
- Diameter25.4 mm
- Lens MaterialN-BK7
- Antireflection Coating1000-1550 nm
- Coating TypeIR Multilayer
- Coating CodeAR.18
- Damage Threshold7.5 J/cm2, 10 ns pulses, 20 Hz at 1064 nm
- Surface Quality40-20 scratch-dig
- λ/4
- 1.5 λ
- F/#-1.9
- -50 mm
- -50.81 mm
- -52.103 mm
- 5.04 mm
- 2.5 mm
- Principal Plane 1 (P<sub>1</sub>)0.81 mm
- Principal Plane 2 (P<sub>2</sub>)-0.81 mm
- Design Wavelength589 nm
- Centration≤3 arc min
- Chamfers0–0.8 mm face width
- Chamfers Angle/Tolerance45° ±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
Resources & Downloads
3D Product Models
2D Product Drawings
BI-CONCA-VEL-S(88.6 kB, PDF)
Software
KBC043AR.18 Zemax File(5.3 kB, ZMX)
Other
KBC043AR.18 RoHS Certificate(708.5 kB, PDF) AR.18 Raw Data.xlsx(113.4 kB, XLSX)
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