Ì«ºÕ×ÈÁ¿×Ó¼¶Áª¼¤¹âÆ÷ÖеĹâ×Óµ÷¿Ø

2014.07.04

Ͷ¸å£º¹¨»ÝÓ¢²¿ÃÅ£ºÀíѧԺä¯ÀÀ´ÎÊý£º

»î¶¯ÐÅÏ¢

¹¦·ò£º 2014Äê07ÔÂ08ÈÕ 10:00

µØÖ·£º У±¾²¿G309

»ã±¨Ö÷Ì⣺ Ì«ºÕ×ÈÁ¿×Ó¼¶Áª¼¤¹âÆ÷ÖеĹâ×Óµ÷¿Ø
±¨ ¸æ ÈË£ºÐì¼áÒã ×êÑÐÔ±£¨ÖпÆÔºÉϺ£¼¼ÊõÎïÀí×êÑÐËù)
»ã±¨¹¦·ò£º2014Äê7ÔÂ8ÈÕ£¨Öܶþ)10:00
»ã±¨µØÖ·£ºÐ£±¾²¿G309
Ö÷°ì²¿ÃÅ£ºÀíѧԺÎïÀíϵ
Õª Òª£º Ì«ºÕ×Ȳ¨£¨THz£©Í¨³£Ö¸ÆµÂÊÔÚ0.1-10 THzÖ®¼ä £¬Ò༴²¨³¤ÔÚ3ºÁÃ×ÖÁ30΢Ã×ÁìÓòµÄµç´Å²¨¡£THz²¨ÔÚÉúÎï¡¢³ÉÏñ¡¢Í¨Ñ¶ £¬ÒÔ¼°ÌìÎĵÈÁìÓòÓÐ¿í·ºµÄÀûÓá£È»¶øÓÉÓÚ²»×ã¸ß»úÄÜ¡¢¿É·½±ãʹÓõĹÌ̬¹âÔ´ £¬Ì«ºÕ×Ȳ¨¶Î³£±»³ÆÎª“THz´øÏ¶” £¬²¢ÑϳÁÔìÔ¼ÁËËüµÄ×êÑÐÓëÀûÓá£
Ì«ºÕ×ÈÁ¿×Ó¼¶Áª¼¤¹âÆ÷£¨THz-QCL£©±»ÒÔΪÊÇÌîÆ½“THz´øÏ¶”µÄÃÎÏë¹âÔ´Ö®Ò»¡£THz-QCLÓÐ×ÅÓ봫ͳ°ëµ¼Ì弤¹âÆ÷½ØÈ»·ÖÆçµÄ¹¤×÷»úÔ죺Ëü½èÖúÓÚµç×ÓÔÚµ¼´ø×Ó´ø¼äµÄԾǨ²úÉú¼¤¹â £¬¼¤¹âµÄ²úÉúÒÀÀµÓÚ¶Ô°ëµ¼ÌåÈËΪ΢½á¹¹µÄÁ¿×Óµ÷¿Ø¡£´Ë±í £¬°ëµ¼ÌåºÍ½ðÊôµÈ×ÊÁÏÔÚÌ«ºÕ×Ȳ¨¶ÎµÄ¹âѧÐÔÖÊåÄÒìÓÚÔڿɼûºÍºì±í²¨¶ÎµÄ¹âѧÐÔÖÊ £¬ÕâʹµÃ´«Í³°ëµ¼Ì弤¹âÆ÷µÄ²¨µ¼ºÍгÕñÇ»½á¹¹²»ÔÙºÏÓÃÓÚÌ«ºÕ×Ȳ¨¶Î¡£Ì«ºÕ×Ȳ¨¶ÎµÄÕâÐ©ÌØÊâÐÔΪTHz-QCLµÄÑÐÔìÌá³öÁËÌôÕ½ £¬Í¬Ê±Ò²Òý·¢ÈËÃÇ´Óµç×ÓѧºÍ¹â×ÓѧµÄ½Ç¶ÈÌá³öеIJ½Öè¡£
±¾»ã±¨½«½éÉÜTHz-QCLµÄ×êÑж¯Ì¬¡¢Ä¿Ç°Ãæ¶ÔµÄÌôÕ½Óë¿ÉÄܵĽâ¾ö²½Öè¡£×ųÁ½éÉÜÈôºÎ½«¹â×Ó¾§Ìå¡¢±í±íµÈÀë×ÓÌåѧ¡¢¹âѧ΢ǻµÈ¸ÅÏëÓëTHz-QCLÏà½áºÏ £¬ÌáÉý¼¤¹âÆ÷µÄ¹Ø¼ü»úÄÜ[1-4]¡£
[1] B. S. Williams, “Terahertz quantum-cascade lasers”, Nature Photon. 1, 517 (2007).
[2] Y. Chassagneux, et al., “Electrically pumped photonic-crystal terahertz lasers controlled by boundary conditions”, Nature, 457, 174, (2009).
[2] Gangyi. Xu, et al., “Efficient power extraction in surface-emitting semiconductor lasers using graded photonic heterostructures”, Nature Commun. 3, 952 (2012).
[3] Gangyi Xu, et al., “Surface-emitting terahertz quantum cascade lasers with continuous-wave power in the tens of milliwatt range”, Appl. Phys. Lett. 104, 091112 (2014).
¡¾ÍøÕ¾µØÍ¼¡¿