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BNA Crystal Terahertz Crystal BNA Organic Crystal BNA
BNA Crystal Terahertz Crystal BNA Organic Crystal BNA
Product details
Product Introduction
Yichi Optoelectronics launches a new type of terahertz crystal: organic crystal BNA, N-benzyl-2-methyl-4-nitroaniline。 When using Ti: Sapphire, the conversion efficiency can reach up to 0.25% when pumped by an 800nm femtosecond laser.
BNA crystalMain applications and features
application
√ Generation and detection of terahertz waves
√ Second harmonic generator
√ Nonlinear optical crystals
characteristic
Under the condition of 800nm femtosecond laser pumping,
Compared to traditional crystals, it has high conversion efficiency.
ApplicableLaser
BNA crystals are suitable for almost all traditional femtosecond lasers
-Ti: Sapphire 800nm oscillator/amplifier
-Femtosecond fiber laser
-1050nm femtosecond laser
-OPA and OPCPA
case
Input laser: 1 mJ Ti: Sa 800 nm， Output THz: 1 MV/cm, 2.1 µJ
Comparison with ZnTe crystals
| crystal | THz conversion efficiency | THz spectral width |
| BNA | 0.25% |
3 THz or 9 THz |
| ZnTe | 0.0031 % |
3 THz |
Comparison with lithium niobate crystals
| crystal | Nonlinear coefficient | Phase matching @ 800nm | Experimental requirements | conversion efficiency | THz spectral width |
| BNA | 234 pm/V |
matching | simple | 0.25% |
3 THz or 9 THz |
| SLN | 31.5 pm/V |
Not matching | Wavefront tilted optical path | 0.1% (typical value) |
1 THz or3THz |
Related references:
Opt. Lett. 4, 1777 (2016); APL 98, 091106 (2011);
JOSA B 25, B6 (2008); Opt. Express 15, 13212 (2007)
Appl. Phys. Lett. 98, 091106 (2011); Opt. Lett. 33, 252 (2008)
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