61-6949-49 [Discontinued]Achromatic Cylinder Lens Focal Length 25mm CDL-1515-25PM
Analyzer, Testing Equipment

61-6949-49 [Discontinued]Achromatic Cylinder Lens Focal Length 25mm CDL-1515-25PM

model: 61-6949-49
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6949-49Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6949-49
Product Brand: SIGMAKOKI CO., LTD.

Features

  • By combining two cylindrical lenses with different refractive index wavelength dispersion into a single lens, thin lines close to the theoretical limit can be created.
  • Cylindrical plano-convex lenses (CLB-P) are recomm***ed if you are concerned about color blurring or line blur.
  • It is designed to reduce defocus in the entire range of visible light.
  • Since the direction of the condensing line is parallel to the outer diameter side (B), optical adjustment is easy.
  • It can be ***d as a substitute for a slit in a spectrometer.
  • A cylindrical lens holder (CHA) is available for securing the acromatic cylinder lens.
  • * The acromatic cylinder lens has a direction that allows parallel light to enter.
  • * This function allows parallel light to enter from the side of the face with a small radius of curvature (the face pointed to by the arrow).
  • * When parallel light is applied from the opposite side, the condensing line becomes thicker.
  • * In the bus direction (B direction), there is no effect of the achromatic lens, no characteristic to reduce aberration, and no ability to collect light.
  • * The light from the ray beam is incident on the achromatic cylinder lens and does not become parallel light.
  • * Diverges in the bus direction (B direction).
  • * In order to focus the light on a narrow line, it is necessary to allow high quality parallel light to enter the lens.

Spec

  • [

    common specification]
  • Material: N-SF5/BK7
  • Design wavelength: Blue: 486.1nm, Green: 546.1nm, Red: 656.3nm
  • Coating: Reflective prevention film
  • Adhesive: Ultraviolet curing type adhesive
  • Laser durability: 0.3J/cm2 (pulse width 10ns, Repeat frequency 20Hz)
  • Scratch - dig: 60-40
  • Effective diameter: Circle inscribed in a rectangular of 90% of the dimensions
  • [Individual specification]
  • A x B: 15 x 15mm
  • Focus distance f: 25mm
  • Edge thickness te: 6.4mm
  • Center thickness tc: 9mm
  • Back focus fb: 18.22mm
  • RoHS conform product

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