61-6991-56 3-Axis, 5-Axis Lens Holders Adaptive Element Size Φ25mm Adaptive Element Thickness 0 - 28mm ALHN-25-3RO
Analyzer, Testing Equipment

61-6991-56 3-Axis, 5-Axis Lens Holders Adaptive Element Size Φ25mm Adaptive Element Thickness 0 - 28mm ALHN-25-3RO

model: 61-6991-56
brand: SIGMAKOKI CO., LTD.

Product Description

Product Model: 61-6991-56Product Brand: SIGMAKOKI CO., […]

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Product Details

Product Model: 61-6991-56
Product Brand: SIGMAKOKI CO., LTD.

Features

  • A lens holder equipped with a lens centering mechanism and a focus adjustment mechanism to align the center of the lens with the laser beam.
  • It can be ***d for collimating large diameter laser beams and laser focusing that requires precise positioning.
  • There is also a 5-axis adjustment type (ALHN-5RO) with a lens tilt adjustment function, which is necessary for adjusting the wave front of the interferometer and the intensity distribution of the concentrated spot.
  • The lens position can be moved back and forth by rotating the lens barrel with the lever to adjust the lens focus.
  • The centering mechanism has a nut clamp and the focus adjustment has a screw clamp.
  • In addition to single lenses, thick lenses and combination lens tubes with a thickness of 28 mm or less can be fixed.
  • A base type that can be attached to a fixed board or breadboard with an open M6 tap is also available.
  • A centering lens holder (LHCM) without a focus adjustment function is also available.
  • A centering lens holder (LHCM) for lenses of φ20 mm or less is available.
  • * Use a special spacer (2 types) when fixing the lens inside the cylinder of the holder.
  • * The length of the tube is 28 mm, so it will take a long time if you try to fix it only with the screw ring.
  • * You can also change the position of the fixed lens by changing the position of the spacer and lens.
  • * If the focal length of the lens increases, the focus range will be too narrow for adjustment.
  • * Use with an ant-type stage or an optical bench.

Spec

  • [<3-axis, 5-axis lens holders> common specification]
  • Major material: Aluminum
  • Surface treatment: Black anodic oxide
  • [Individual specification]
  • Compatible optics size: φ25mm
  • Compatible optics thickness: 0 - 28mm
  • Centering adjustment range: φ6mm
  • Centering adjustment resolution: 0.25mm/rotation
  • Focus adjustment range: ±3mm
  • Mass: 0.31kg
  • RoHS conform product

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