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Photoacoustic study of two‐photon absorption in hexagonal ZnS

 

作者: Y. Bae,   J. J. Song,   Y. B. Kim,  

 

期刊: Journal of Applied Physics  （AIP Available online 1982）
卷期: Volume 53, issue 1  

页码: 615-619

 

ISSN:0021-8979

 

年代: 1982

 

DOI:10.1063/1.329967

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Photoacoustic detection technique is employed to investigate two‐photon absorption (TPA) effects in ZnS over a wide frequency range with polarized 5 nsec dye laser pulses. By analyzing the dispersion and polarization dependence of TPA, we find that near the band gap, the TPA in ZnS occurs via allowed‐forbidden type one‐step, two‐photon transitions.

 

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