Comment on Long Optical Audio Cables (and optical interfaces) by JonC.

Whoa, love my family, you are always so technically connected 😀

The thing about fiber is it’s been around so long but I feel like tech companies are just milking the old junk as much as possible and then releasing the new stuff at a snails pace instead of really forcing technology forwards. Yeah I know, it’s ‘capitalism’ but it sucks for tech advancement. Can’t we say ‘beat the commies’ and get stuff moving faster like we used to? D:

It’s kind of surprising that they haven’t switched to a shorter wavelength already if they’re having problems with bandwidth. I just bought a low quality 404nm DPSS pointer <5mw for $7 on ebay and you can buy a 1 watt 404nm pointer for $300. A few years ago a <5mw 404nm commercial unit would have been hundreds of dollars and the frequency doubling greens would have been 40-50 bucks at least. They're going after multiplexing rather than tighter frequency ranges, or maybe both perhaps. Unfortunately actual blue (vs the violet 404nm they use for 'blu-ray') is more rare and it's expensive to get ahold of an actual blue laser for RGB mixing for laser projectors.. the RGV (red, green, violet) doesn't do too awful at full spectrum production, it's still off. The capability for onboard DPSS systems has been there, I guess it just took a while for someone to get budgeted for it or something 😛 DPSS:YAG systems came down in price because the crystals needed for freq doubling began to get mass produced for laser machining apps as tighter frequency proved better for lasering metal. The violets came down because of their expansive use in Blu-Ray players. BTW watch out for those high power 'laser pointers'. While they might produce a 1 watt 404 beam, they use a very powerfull infrared diode to pump them, due to low efficiency, and a lot of these chinese produced lasers spew a TON of IR radiation. Even if the 1 watt visible beam doesn't get you, there's high risk from the poorly filtered IR diode that can still get your eyes!

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