Rekall Incorporated@piefed.socialM to Hardware@lemmy.worldEnglish · 4 个月前Blu-ray hits 20 years old, and it isn't dead yet — optical disc format was introduced to the public at CES 2006www.tomshardware.comexternal-linkmessage-square38linkfedilinkarrow-up1146arrow-down11file-text
arrow-up1145arrow-down1external-linkBlu-ray hits 20 years old, and it isn't dead yet — optical disc format was introduced to the public at CES 2006www.tomshardware.comRekall Incorporated@piefed.socialM to Hardware@lemmy.worldEnglish · 4 个月前message-square38linkfedilinkfile-text
minus-squareSaveTheTuaHawk@lemmy.calinkfedilinkEnglisharrow-up4·3 个月前BluRay was possible because of the invention of the blue light LED to pump the laser @ 405nm. Before that, they were using red lasers over 600nm. But now we have LED lasers at 210nm that could double the data density on a disc media.
BluRay was possible because of the invention of the blue light LED to pump the laser @ 405nm. Before that, they were using red lasers over 600nm. But now we have LED lasers at 210nm that could double the data density on a disc media.