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Coating Type £¨Ä¤ÏµÀàÐÍ£© |
Properties and Application £¨ÊôÐÔºÍÓ¦Óã© | |||||||
Antireflection ¼õ·´Ä¤£¨»òÔö͸Ĥ£© |
Single Layer MgF2 £¨µ¥²ãMgF2) |
Applied to materials with refractive indices from 1.45 to 2.4. The most popular antireflection coating for visible. They are insensitive to change in incidence angles. | ||||||
(Ó¦ÓÃÓÚ²ÄÁÏÕÛÉäÂÊ´Ó1.45ÖÁ2.4,×îÊÜ»¶ÓµÄÔö͸ĤΪ¿É¼û¹âÇøµÄ£¬ÔÚÕâÒ»ÇøÓòÊÜÈëÉä½Ç¶È±ä»¯Ó°Ïì½ÏС£© | ||||||||
Multilayer "V" £¨¶à²ã¡°V"ÐÍÇúÏßÔö͸Ĥ£© |
Used to provide low reflectance with in a narrow durable wavelength band for most laser application. Minimum reflection can be less than 0.1% | |||||||
£¨¿ÉÔÚÒ»¸öÏÁÕµÄÄÍÓò¨³¤Æµ´øÌṩºÜµÍµÄ·´ÉäÂÊ£¬¹ã·ºÓ¦Óü¤¹âÁìÓò¡£×îС·´Éä¿ÉÒÔÉÙÓÚ0.1%£© | ||||||||
Broadband Multilayer£¨¿í´ø¶à²ã¼õ·´Ä¤£© | These coatings have excellent performance over a broad spectral range broadband. Coating performance is sensitive to angle of incidence. | |||||||
£¨´ËÀàÐÍĤϵ¿ÉÒÔÔÚÒ»¸ö±È½Ï¿íµÄ¹âÆ×·¶Î§´øÓÐÁ¼ºÃµÄ¼õ·´ÐÔÄÜ¡£´ËÀàÐͼõ·´Ä¤ÐÔÄÜÊÜÈëÉä½Ç±ä»¯Ó°ÏìºÜ´ó£© | ||||||||
Dual Wavelength Band£¨Ë«²¨³¤¶à²ã¼õ·´Ä¤£© | Offer very low reflectance at two widely spaced wavelengths, such as Nd:YAG Laser (1064) and its second harmonic (532) . Tempotec makes this a double wavelength waveplate. | |||||||
£¨ÔÚÁ½¸ö¼ä¸ôºÜ¿íµÄ²¨³¤´øÉÏ£¬Í¨¹ý¸´ºÏʹÌṩ¸ü´ó´ø¿í·¶Î§Äڷdz£µÍµÄ·´ÉäÂÊ,±ÈÈçNd:YAG¼¤¹â(1064)¼°Æä¶þ´Îг²¨(532)¡£µþ¼ÓµÃµ½Ë«²¨³¤²¨Æ¬£© |
AR coating sample curves
µ¥²ãMgF2£¬ÔÚ²¨³¤400 ~ 700 nm£¨ÈëÉä½ÇΪ0£©£¬Æ½¾ù·´ÉäÂÊ < 2%

µ¥²¨³¤¼õ·´Ä¤ÔÚ²¨³¤Îª1064nm£¨ÈëÉä½ÇΪ0ʱ£©£¬·´ÉäÂÊR < 0.25%

¿í´ø¶à²ã¼õ·´Ä¤£¬ÔÚ420nm~700nm·¶Î§ÄÚ£¨ÈëÉä½Ç¶ÈΪ0£©Æ½¾ù·´ÉäÂÊ < 1.0%

Ë«²¨³¤¶ç³É¼õ·´Ä¤ÔÚ532nm~1064nm£¨ÈëÉä½Ç¶ÈΪ0£©Ê±Æ½¾ù·´ÉäÂÊ < 0.25%
