Abstract
Linear and second-order nonlinear optical (NLO) properties of a single crystal of N-benzyl-2-methyl-4-nitroaniline (BNA) have been determined. The refractive indices of the crystal were measured in the visible to near infra-red region. The Maker-fringe and phase-matching methods were used to determine the magnitudes of the d-tensor components for the second harmonic generation when excited the crystals at 1064 nm. They were d333 = 234 ± 31, d322 = 15.6 ± 0.9, and d311 ∼ 0 pm/V. The value of d333 is the largest value reported for any yellow-colored NLP materials and suggests that crystals of BNA will be very effective for terahertz wave generation.
| Original language | English |
|---|---|
| Pages (from-to) | 1528-1530 |
| Number of pages | 3 |
| Journal | Japanese Journal of Applied Physics |
| Volume | 46 |
| Issue number | 4 A |
| DOIs | |
| Publication status | Published - Apr 5 2007 |
| Externally published | Yes |
Keywords
- Maker fringe
- NLO
- Organic nonlinear optical crystal
- SHG
- Second harmonic generation
- Terahertz
ASJC Scopus subject areas
- General Engineering
- General Physics and Astronomy
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