16 Digital Holography 217
16.1 Sampling considerations for recording of digital holo-
grams . . . . . . . . . . . . . . . . . . . . . . . . . 220
16.2 Complex field retrieval in hologram
plane . . . . . . . . . . . . . . . . . . . . . . . . . . 221
16.2.1 Off-axis digital holography . . . . . . . . . 222
16.2.2 Phase shifting digital holography . . . . . . 224
16.2.3 Optimization method for complex object wave
recovery from digital holography . . . . . . 226
16.3 Digital holographic micr