FIELD: optical instrumentation.
SUBSTANCE: invention relates to the field of optical instrumentation and concerns a method for measuring the Zernike wave front modes by a holographic wave front mode sensor. The mode measurement method contains an iterative process that involves increasing the diameter of the measured wave front, from a diameter value significantly smaller than the maximum diameter of the measured wave front to a value equal to the maximum diameter of the measured wave front. The method includes measuring the amplitude of the wave front modes at different values of the wave front diameter and reducing the wave front aberrations in each iterative cycle with a wave front corrector.
EFFECT: increased measurement speed and the number of measured Zernike wave front modes.
3 cl, 6 dwg, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF ANALYSING LIGHT FIELD WAVE-FRONT | 2010 |
|
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SU1772608A1 |
| METHOD OF HOLOGRAPHIC MONITORING OF WAVE FRONT | 1993 |
|
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| METHOD OF HOLOGRAPHIC CHECK OF WAVE ABERRATIONS OF LENSES AND OBJECTIVES | 1991 |
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SU1800441A1 |
| METHOD FOR FORMATION AND COMPENSATION OF ASTIGMATIC WAVE FRONT AND DEVICE FOR ITS IMPLEMENTATION | 2019 |
|
RU2726306C1 |
| WAVE-FRONT CORRECTION METHOD | 0 |
|
SU1015333A1 |
| METHOD OF MEASURING WAVE-FRONT | 1988 |
|
RU1542281C |
