| 摘要 |
PROBLEM TO BE SOLVED: To provide a digital holography device that can perform a measurement over a wide range and with high accuracy.SOLUTION: A digital holography device 1A includes a reference light subtractor 2 for generating a reference light subtraction hologram by subtracting, from a parallel phase shift hologram including hologram information different in phase shift amount of reference light of a subject, intensity distribution of reference light, an operator 3, a Fourier transformer 4, and a reproducer 5. |
