Abstract
A scheme for recording fast process at nanosecond scale by using digital holographic interferometry with continuous wave (CW) laser is described and demonstrated experimentally, which employs delayed-time fibers and angular multiplexing technique and can realize the variable temporal resolution at nanosecond scale and different measured depths of object field at certain temporal resolution. The actual delay-time is controlled by two delayed-time fibers with different lengths. The object field information in two different states can be simultaneously recorded in a composite hologram. This scheme is also suitable for recording fast process at picosecond scale, by using an electro-optic modulator.
| Original language | English |
|---|---|
| Pages (from-to) | 17-21 |
| Number of pages | 5 |
| Journal | Optics and Lasers in Engineering |
| Volume | 67 |
| DOIs | |
| State | Published - Apr 2015 |
Keywords
- Acousto-optical modulator
- Angular multiplexing technique
- Digital holographic interferometry
- Fast process at nanosecond
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