¡°¼¤¹â¶þ¼«¹Ü(Laser Diode) µÄLASERÊÇÈ¡"Light Amplification by Stimulated Emission of Radiation£¨»ùÓÚÊܼ¤·¢ÉäµÄ¹â·Å´ó£©"µÄÊ××Öĸ×é³ÉµÄËõдµ¥´Ê£¬¼¤¹â¶þ¼«¹ÜÒ²±»³ÆΪ°ëµ¼Ì弤¹âÆ÷£¬Í¨³£¼ò³ÆΪLD¡£
¡±ºÎν¼¤¹â¶þ¼«¹Ü£¨°ëµ¼Ì弤¹âÆ÷£©£¿
¼¤¹â¶þ¼«¹Ü(Laser Diode) µÄLASERÊÇÈ¡"Light Amplification by Stimulated Emission of Radiation£¨»ùÓÚÊܼ¤·¢ÉäµÄ¹â·Å´ó£©"µÄÊ××Öĸ×é³ÉµÄËõдµ¥´Ê£¬¼¤¹â¶þ¼«¹ÜÒ²±»³ÆΪ°ëµ¼Ì弤¹âÆ÷£¬Í¨³£¼ò³ÆΪLD¡£
ÓÉÓڿɲúÉú²¨³¤¼°ÏàλµÈÐÔÖÊÍêÈ«Ò»ÑùµÄ¹â£¬Òò´ËÏà¸ÉÐÔ¸ß(coherent)ÊÇÆä×î´óÌص㡣
ÀûÓÃ×¢ÈëµçÁ÷²úÉúµÄ¹âÔÚ2Ƭ¾µÆ¬Ö®¼äÍù·µ·Å´ó£¬Ö±ÖÁ¼¤¹âÕñµ´¡£¼òµ¥µÄ˵£¬¼¤¹â¶þ¼«¹ÜÒ²¿ÉÒÔ˵³ÉÊÇÒ»¸öͨ¹ý·´Éä¾µ½«¹â·Å´óµÄ·¢¹âLED¡£
×÷ΪԪ¼þ²ÄÁÏ£¬Ê¹ÓÃAlGaAs¡¢InGaAlP¡¢InGaN¡¢ZnOµÈ»¯ºÏÎï°ëµ¼Ì壬ÓÉÓÚLSI¼°Tr¡¢DiµÈʹÓõÄSiԾǨ¸ÅÂÊ£¨µçÁ÷ת±äΪ¹âµÄ¸ÅÂÊ£©½Ï²î£¬Òò´Ë²»ÊÊÓÃÓÚ¼¤¹â¶þ¼«¹Ü¡£
¼¤¹â¶þ¼«¹ÜºÍLEDµÄÇø±ð
½«¼¤¹â¶þ¼«¹ÜºÍLEDµÄÇø±ð»ã×ÜÔÚÁËϱíÖС£
ÓÉÓÚ¼¤¹â¶þ¼«¹ÜµÄÆ׿íÊÇÏÁÕµ¥Ò»µÄ²¨³¤¡¢ÏàλÕûÆë¡¢Ö¸ÏòÐԸߵĹ⣬Òò´Ë¾ß±¸ÈÝÒ׿ØÖÆÄÜÁ¿µÄÌØÕ÷¡£
¼¤¹â¶þ¼«¹ÜµÄÌصãºÍÓÃ;
¼¤¹â¶þ¼«¹ÜµÄÓÃ;ʾÀý
¼¤¹â¶þ¼«¹Ü³ä·ÖÀûÓÃÖ±½øÐÔ¡¢Î¢Ð¡¹â°ß³ß´ç (Êýum¡«)¡¢µ¥É«ÐÔ¡¢¸ß¹âÃܶȡ¢Ïà¸ÉÐÔ (coherent) ÕâЩÌص㣬±»ÓÃÔÚ¸÷ÖÖÓ¦ÓÃÉÏÃæ¡£
×î½ü£¬Ô˶¯´«¸ÐÆ÷¡¢HDDÈȸ¨Öú´ÅÐԼǼ¡¢ÕÕÃ÷£¨Í¶Ó°ÒÇ¡¢Ç°Õյƣ©ÉÏÒ²ÔÚʹÓá£
ϱíÖлã×ÜÁË°´¼¤¹â¶þ¼«¹ÜµÄ¹¦ÄÜ·ÖÀàµÄÓÃ;ʾÀý¡£
·ÖÏíµ½£º
²ÂÄãϲ»¶