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 daidaitattun raƙuman ruwa. Maimakon haka. , kawai mutum yana buƙatar daidaita tsayin tsayin katako guda ɗaya a cikin bandwidth mai kunkuntar kamar 15.3 nm.

Don taƙaitawa

Ƙimar juyi na 0.1% kuma shine mafi girman da aka samu don tsarin tebur ta amfani da tsarin laser na kasuwanci-samuwa a matsayin tushen famfo.Madogaran THz kawai wanda zai iya yin gasa tare da tushen GaSe THz shine Laser-electron free, wanda yake da girma sosai. kuma yana cinye babbar wutar lantarki.Bugu da ƙari kuma, za a iya saurara tsawon tsawon matakan fitarwa na tushen 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 raƙuman ruwa kawai.Saboda haka, wasu aikace-aikacen da za a iya gane su ta amfani da hanyoyin THz monochromatic-mai daidaitawa ba za su kasance ba. maiyuwa ne idan aka dogara da ƙwanƙwasa ƙwanƙwasa 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