Study of the alignment of TO-can assembly
碩士 === 中華大學 === 電機工程學系(所) === 99 === Long distance fiber optic communication usually uses LD of the 1310 nm as high power light source. Common semiconductor laser emitted light cone of ellipse shape, has 18o ~40o divergence angle, a ball lens or aspheric lens is needed to re-focus light beam into...
| Main Authors: | , |
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2011
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| Online Access: | http://ndltd.ncl.edu.tw/handle/89918556029737735952 |