61-6923-26 Cylindrical Plano-Concave Lens BK7 10 x 10mm Focal Length -15mm CLB-1010-15N
Analyzer, Testing Equipment

61-6923-26 Cylindrical Plano-Concave Lens BK7 10 x 10mm Focal Length -15mm CLB-1010-15N

model: 61-6923-26
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6923-26Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6923-26
Product Brand: SIGMAKOKI CO., LTD.

Features

  • Cylindrical flat concave lenses (cylindrical flat concave lenses) have the curvature of a concave lens in the vertical direction and no curvature in the horizontal direction.
  • It is ***d in combination with cylindrical plano-convex lenses to shape elliptical beams of semiconductor lasers into circular beams.
  • A lens made by BK7 for the visible to near-infrared range.
  • Three types of lenses with anti-reflection films are also available in the visible, near-infrared and infrared ranges.
  • By using a cylindrical lens in the optical system, the beam shape and the aspect ratio of the illumination light can be deformed.
  • A cylindrical lens holder (CHA) is available for fixing cylindrical lenses.
  • * Cylindrical flat concave lenses have chromatic aberration, and the focal length dep***s on the wavelength.
  • Cylindrical flat concave lenses allow light to enter in certain directions.
  • * Be sure to allow parallel light to enter from the concave side.
  • * Doing the reverse operation will ca*** the spherical aberration to increase and may result in poor optical performance.
  • * The transmittance of the uncoated product is about 90% due to the loss ca***d by the reflection of the front and back of the lens.

Spec

  • [

    common specification]
  • Material: BK7
  • Design wavelength: 546.1nm
  • Refractive index: n e=1.519
  • Coating: No coat
  • Effective diameter: Circle or ellipse inscribed to 90% of rectangle against outer dimensions
  • Scratch - dig: 20-10
  • [Individual specification]
  • Reflective prevention film coat wavelength region: No coat
  • A x B: 10 x 10mm
  • Focus distance f: ?15mm
  • Edge thickness te: 4mm
  • Center thickness tc: 2.2mm
  • Back focus fb: ?16.4mm
  • Curvature half diameter r: 7.79mm
  • RoHS conform product

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