Highly Efficient Optical Pickup Head for Blu-ray Disc
碩士 === 國立中央大學 === 光電科學研究所碩士在職專班 === 95 === The low efficiency of traditional pickup head is limited by the difference of vertical divergent angle and horizontal divergent angle. The vertical divergent angle is much larger than the horizontal one. To get the circular laser beam, the collimating len...
Main Authors: | Min-sheng Hsieh, 謝敏生 |
---|---|
Other Authors: | 孫文信 |
Format: | Others |
Language: | zh-TW |
Published: |
2007
|
Online Access: | http://ndltd.ncl.edu.tw/handle/50724321566424895509 |
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