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Zone Plate Common Path Interferometer for Testing Aspherical Mirror with Large Aperture (1995)

Guan, Haike ; Yamaguchi, Masahiro ; Ohyama, Nagaaki ; [et al.]

Springer

Optical review 2 (1995), S. 55-58

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ISSN: 1349-9432

Keywords: aspherical mirror ; large aperture ; common path interferometer ; caustic waist ; computer generated hologram ; diffraction efficiency balance ; laser writer ; phase shifting

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract A new CGH (computer generated hologram) common path interferometer, which can be used for testing an aspherical mirror with large aperture, is proposed. This interferometer does not have a circle of least confusion, and a spatial filter can be used effectively to stop extraneous lights so that interferograms with good contrast can be obtained. The phase shifting technique can be easily applied to the interferometer. The method of designing and making the CGH zone-plate is described.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s10043-995-0055-5

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