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I am looking for a source of the low-wavelength batch(es) of the recent 505nm diode. I have a couple from DTR's batch (SB147EC91) which run at about 510nm, but would like to find a couple of the earlier ones floating around which ran lower. This would be -correct me if I'm wrong- the case...

I have a couple 520nm diodes, a PLP-520-B1 and a NDG7475, and I've noticed that their dots look yellow when viewed through red-tinted low-wavelength-blocking goggles. Now, of course we all know that red and green make yellow, so what is the issue? My eyes are clearly seeing the combination of...

I am curious about the maths involved in dot size and energy reaching the terminal beam point if a beam expander is involved. The expander I have is a LaserGlow X10DR 10x expander that I have adapted to be a universal fit. It has two adjustment points by twisting either the expander's lens or...

I am going to be gradually adding to this page as I upload images of my collection. Some samples can be seen here: 405nm S06J C3 The humble little C3 hosted blu-ray is the first I'll be sharing of my collection It is a pleasant aproximately 700mw of single mode near-UV. I'll power test...

My first real post, and I went big. I finally got around to putting together a few of the pieces I've acquired recently. Specifically, combining the amazing heat sinking power of a copper heat-sinked 2D Maglite build kit from Jayrob and a NDG7475 module from DTR. The price tag hurt, but upon...