GaSe crystals

Yin amfani da kristal GaSe an daidaita tsayin fitarwa a cikin kewayon daga 58.2 µm zuwa 3540 µm (daga 172 cm-1 zuwa 2.82 cm-1) tare da ƙarfin kololuwa ya kai 209 W. An inganta haɓaka sosai zuwa ikon fitarwa na wannan THz. daga 209 W zuwa 389 W.

ZnGeP2 lu'ulu'u

A gefe guda, dangane da DFG a cikin kristal ZnGeP2 an daidaita tsayin fitarwa a cikin jeri na 83.1-1642 µm da 80.2-1416 µm don daidaitawar lokaci guda biyu, bi da bi. Ƙarfin fitarwa ya kai 134 W.

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GaP crystals

Yin amfani da kristal GaP an daidaita tsayin fitowar fitarwa a cikin kewayon 71.1−2830 µm yayin da mafi girman ƙarfin shine 15.6 W. Amfanin amfani da GaP akan GaSe da ZnGeP2 a bayyane yake: ba a buƙatar jujjuyawar crystal don cimma daidaitawar raƙuman ruwa. , kawai mutum yana buƙatar daidaita tsayin igiyoyin haɗakarwa guda ɗaya a cikin bandwidth mai kunkuntar kamar 15.3 nm.

Don taƙaitawa

Haɓakar juzu'i na 0.1% kuma shine mafi girman da aka taɓa samu don tsarin tebur ta amfani da tsarin laser na kasuwanci-samuwa azaman tushen famfo.Madogarar THz kawai wanda zai iya yin gasa tare da tushen GaSe THz shine Laser-lantarki kyauta, wanda yake da girma sosai. kuma yana cinye babbar wutar lantarki.Bugu da ƙari kuma, za a iya kunna madaidaicin madaidaicin maɓuɓɓugar wannan THz a cikin jeri mai faɗi sosai, ba kamar na'urorin laser na jimla ba kowanne daga cikinsu zai iya haifar da tsayayyen tsayin tsayi.Saboda haka, wasu aikace-aikacen da za'a iya gane su ta amfani da maɓuɓɓugan monochromatic THz masu daidaitawa ba za su kasance ba. maiyuwa ne idan aka dogara da ƙwanƙwasa ƙwanƙwasa na THz ko jimla cascade lasers maimakon.

Magana:

Yujie J. Ding da Wei Shi"Labarin labari ya tunkari tushen THz da abubuwan ganowa a cikin zafin jiki don yin hoto"OSA/OSHS 2005.

Lokacin aikawa: Oktoba-18-2022