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Has anyone used a drive sled directly, just manually driving laser in sled setup
The blu-ray optics spec has the spot being close to diffraction limit, though the focus is about 0.6mm This is a great spot size, and its probably very near TEM00. Why don't I see anyone using the drive sled with manual control of the diode? Not removing the diode from the sled or anything... -
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Need high power w/ spot diameter of <= 5 microns, close focus OK
I know there are 14X bluray drives out now, are they higher power laser diodes than the 12X? Earlier I chatted with Edmund Optics online tech support for about 30 minutes... they said if the laser is elliptical (think 445nm bar lasers), these "anamorphic prism pairs" may help to correct it to...