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Optical flat glass made of glass ceramic, one-sided, 1/20 lambda, Ø 250 mm

Optical flat glass made of glass ceramic, one-sided, 1/20 lambda, Ø 250 mm
€6,440.00 *
Content: 1 piece(s)

* Prices plus VAT plus shipping costs

Delivery time 15 working days
In stock: 0 piece 

Currently there are still 0 piece available!

  • Order number: 3639882
  •  
  • GTIN 4065735567736
  • eClass 8.1: 21-17-01-26
Description
Description
Plane face glasses and interference testing unit for checking flatness Reflective surfaces are... more
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Product information "Optical flat glass made of glass ceramic, one-sided, 1/20 lambda, Ø 250 mm"
Plane face glasses and interference testing unit for checking flatness
Reflective surfaces are required for measuring the surface quality obtained. Lapped, matt surfaces are therefore polished on the polishing table in order to carry out the test. The flatness can be reliably tested using optical plane face glasses. Our plane face glasses are made of glass ceramics. This material maintains its flatness even when temperatures fluctuate greatly, and it is very scratch-resistant. Plane face glasses are used in conjunction with an interference testing unit. The monochromatic light produced by a sodium vapour lamp has a wavelength of exactly 0.0006 mm (0.6 μm). Since only half the wavelength is used for the measurement, the measuring accuracy is 0.3 μm.

• in double-sided versions (two measuring surfaces)
• Ø tolerance ± 5 mm
• incl. calibration certificate
• Other dimensions available
• Plane glasses in single-sided versions available on request
Design: 1/20 Lambda
Wavelength: 1/20 Lambda
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