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measuring, testing & adjusting |
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Our department is equiped with both modern and classical measurement methods that brings advantages in very fast and easily interpreting measurements on one side and very stable and by time examined procedures on the other. We are capable to provide very broad scale of measurements with an extraordinary level of precision. In field of precise measurement we also collaborate with other institutes of Czech Academy and with several universities. This collaboration extend the spectrum of offered services regarding the measurements.
All these measurement capabilities we fully use in our day work during the designing procedures, during optical production, in the assembling procedures and when running the final product tests in order to achieve the best quality product. We offer all these measurements possibilities to you. Do not hesitate to contact us with your questions!
Some examples of optical and mechanical measurements we use:
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Fisba interferometer
Our most precise device. Optical measurement that can digitaly evaluate final accuracy of concave, planar and convex (up to 400 mm) surfaces. Using a sophisticated sofrtware we can measure also aspherical surfaces up to 200 lambda difference from sphere. The interferometer is equipted by 100 mm beam expander, three JENfizar objectives (f/# = 1.5, 3.3, 7.3), with flat and sphere calibration surface with accuracy of λ/20. (http://www.fisba.com/)
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Fizeau interferometer
Used mainly for measurement of plane surfaces up to diameter of 250 mm during the production and final evaluation.
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Ronchi test & Foucalt test
Used mainly for measurement of concave surfaces up to 400 mm diameter during production and for final evaluation.
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Carl Zeiss precise goniometer
Allows us to measure with accuracy of 0.2 second of arc. We use this high precise device for controling of used glasses and crystalline materials n = f(λ) up to 10-6. It is necessary to do especially before the design process to ensure the optical system will meet its theoretical limits.
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Pulfrich refractometer
Precise device used for measurement and identification of glass refractive index with accuracy of 10-5
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Carl Zeiss comparator
Used for measurement of thickness with sub-microne precisions.
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X-ray gonimeter
We use this device for precise orientation of crystalline materials. It allows us to match the mechanical and crystalline plane of the crystal with arc precision within one minute.
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Nakamura doubleplates
Used for precise identification of fast and slow axis in retarders (with one minute arc precisions)
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Ocean Optics spectrometers
Used for measurement and indentification of thin films, color glasses, filters, etc. transmition. We have capabilities to measure from 350 nm upto 1800 nm with resolution of nm (some regions can be measured with sub-nm resolution).
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Classical microscopes
These enable us to control and measure.
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Collimator
imagine yourself something about colimator
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Abbe length meter
Used for production and final measurements of product thickness with precision within one micrometer.
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3D touch DEA measurement
One of our best devices that allows us to measure in 3D coordinates systems with micrometer precisions.
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