61-6918-98 Cylindrical Plano-Convex Lens  BK 30 x 40mm Focal Length 50mm CLB-3040-50P
Analyzer, Testing Equipment

61-6918-98 Cylindrical Plano-Convex Lens BK 30 x 40mm Focal Length 50mm CLB-3040-50P

model: 61-6918-98
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6918-98Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6918-98
Product Brand: SIGMAKOKI CO., LTD.

Features

  • Cylindrical plano-convex lenses (cylindrical plano-convex lenses) have the curvature of a convex lens in the vertical direction and no curvature in the horizontal direction.
  • It is ***d to produce a wide sheet of light ***d in experiments where laser light is condensed into thin lines and fluid measurements.
  • 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 plano-convex lenses have chromatic aberration, and the focal length dep***s on the wavelength.
  • Cylindrical plano-convex lenses allow light to enter in certain directions.
  • * Be sure to allow parallel light to enter from the convex side.
  • Doing so can ca*** spherical aberration to increase, which in turn can ca*** condensation lines to become thicker.
  • * 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: 30 x 40mm
  • Focus distance f: 50mm
  • Edge thickness te: 2.2mm
  • Center thickness tc: 7mm
  • Back focus fb: 45.4mm
  • Curvature half diameter r: 25.95mm
  • RoHS conform product

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