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Cylindrical Lenses - Cylindrical Optics

BERLINER GLAS manufactures high precision cylindrical optics in a variety of sizes and shapes for applications such as in line projectors, collimators, astigmatism correction units, beam expanders or for homogenization of laser beams.

 

The optics are offered as:

 

  • plano convex and plano concave cylindrical lenses
  • cylindrical achromats
  • rods
  • tubes
  • mirrors
  • combined biconvex lenses (spherical radii and cylindrical radii).

 

It is possible to produce special sizes with a range of

CNC-produced contours.

 

Specifications:

Zylindrische Linsen / cylindrical optics
Cylindrical lens
Materialoptical glass, quartz, CaF2, MgF2, glass ceramic, borosilicate glass and filterglass 
Radii3 - 50,000 mm @ 0.1% - 5% tolerance (size depending)
Lengthsup to 500 mm, larger lengths on request
Lens widthup to 300 mm (depending on focal length)
Surface fitting

< λ/8  @ 632.8 nm (material and size depending)

Evaluationaccording ISO 10110 or DIN 3140
Surface defectsbetter than 5/1x0.025 (size depending)
Micro-roughnessRa < 0.4 nm (material depending)
Focal length10 - 3,500 mm
Symmetry error/ axial wedge error< 30" for small radii, < 2' for larger radii of up to 1,500 mm
Coatingstandard AR, HR and special coatings
Geometryspecial lens forms by CNC shaping on request

Measuring Instruments and Parameter

WavefrontInterferometer 4-24", Shack-Hartmann-Wavefront-Sensor (UV and DUV)
ResolutionComputer-supported MTF measurement
CenteringObjective metrology station, Laser centering station
Angle PrecisionGoniometer, interferometer
Transmission/ ReflectionSpectrometer, diod array
Surface defectsAutomatic microscope
Micro-RoughnessWhite light interferometer, AFM
Dimension3D Coordinate-measurement, caliper, CCD-Micrometer, Stitching interferomerter
Optical Assembly
PHOTONICS+SYSTEMS
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Wafer Chucks Datasheet

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