PCV047, Plano-Concave Lenses, NIR AR Coating, 650-1050nm, H-K9L Optical Glass, D=20.00mm

  • PCV047, Plano-Concave Lenses, coated NIR AR Coating, 650-1050nm, made from H-K9L (BK7) optical glass compliant RoHS
  • This Plano-concave lens with a diameter of 20.00mm, having a focal length of f-50.00mm for you to choose from.

$54.17

CodeMaterialAR CoatingDiameter-mmFocal Length (EFL-mm)Back Focal Length (BFL-mm)Radius of Curvature (R1-mm)Center Thickness (Tc-mm)Edge Thickness (Te-mm)
PCV047H-K9L (BK7)650-1050 nm-20.00f-50.0-51.3825.842.104.11

NIR AR Coating Plano-Concave Lenses

These Plano-Concave Lenses are manufactured using BK7 (N-BK7) compliant RoHS, coated NIR AR Coating, 650-1050 nm.

N-BK7 glass is almost the most economical material to choose when the additional advantages of ultraviolet fused quartz (high transmittance and lower coefficient of thermal expansion all the way up to the UV band) are not required.

Plano-Concave Lenses are usually used in beam expansion applications, light projection, or focal length of expansion.

One side is flat, the other side is concave.

Tc---------- Center Thickness
Te---------- Edge Thickness
R1---------- Radius
Dia---------- Diameter

BFL ---------- Back Focal Length
EFL ---------- Effective Focal Length
H'-------------- Principal Point

12
Center Thickness Tolerance±0.2mm
Surface Irregular Accuracyλ/4 @632.8nm
Centering Tolerance<3 arcmin
Bevelling<0.2×45°

12
Design Wavelength587.6nm
Focal Length Tolerance±2%
Diameter Tolerance+0.0/-0.1mm
Surface Quality40/20-60/40

Like all Plano-Concave Lenses, these lenses have a negative focal length, it can be used to diverge light.

In order to minimize spherical aberration, the concave surface of the lens should face towards the light source.
In addition, they can be applied to counteract the effects of spherical aberrations caused by other lenses in optical systems.

N-BK7 Plano-Concave Lenses can also be uncoated and coated with other AR Coating

  • -Uncoated,
  • -A: AR@400-700nm,
  • -C: AR@1000-1650nm,

anti-reflection coating can reduce the reflectivity of each surface of the lens.

VIS-AR-Coating-400-700nm

VIS AR-Coating 400-700nm

NIR-Coating-650-1050nm

NIR AR-Coating 650-1050nm

SWIR AR-Coating 1000-1650nm

Weight 80 g

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