Abstract
A slant grating was recorded with two laser beams incident on photorefractive ciystals asymmetrically. Two-dimensional perturbative analysis for the first two higher-order harmonics of the space-charge field for steady-state photorefractive slant grating recording has been presented, considering the contribution from the next-order harmonic at arbitrary modulation depths. Numerical results for the first two harmonics show that the next-order correction to the space-charge field is strongly dependent on the modulation depths. The dependence of the harmonics on spatial frequency, modulation depth and grating slant angles is discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 40-46 |
| Number of pages | 7 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 3554 |
| DOIs | |
| State | Published - 17 Aug 1998 |
| Event | Photorefractive Materials: Phenomena and Related Applications II 1998 - Beijing, China Duration: 16 Sep 1998 → 19 Sep 1998 |
Keywords
- Modulation depth
- Photorefractive slant grating
- Space-charge field
- Two-dimensional perturbative analysis
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