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i found a good source for 300mw diode. Just buy 3 5mw module from Susie (o-like.com) for 36$ (+u get ktp ect and can turn this 5mw into more powerful one but its difficult) the current for a 5mw module is 360mA. So it's 300mW diode. i take the diode inside the module which is hard screwed with...

average use. Im impressed about your experiment, very interesting. Now im building pulsed driver to see if this diode can accept much higher current with no degradation

sorry to bump the thread, but i have some newz : i noticed severe degradation in my 205 mA 803T + coated lens (it was an experimental built to show how long it will last). Removing the lens show that there is die location in the diode. My 150 mA built since 1 year is still lasing strong, no...

laser shined on snow mountain or frozen lake must be beautiful. Any pic of landscape where you live ? :yh: Bienvenue sur le forum! check "community" then "album & picture" from all of us to have some idea (jayrob, rog811)

i haven't much succes with these driver, max current was 170 mA, i dunno if i must bypass a resistor to go to 500mA, otherwise, i burned one in smoke after that

I'm wondering what's the limit in current of a long open can red diode. I made an experiment today, which was an epic error. I made a labby style Red diode feeds at 505mA , and massively heatsinked. I also have my ancient mxdl built which contain the same diode at exactly 460 mA. When i switched...

yeah but the shipping charge are to heavy . What do you propose shipping included for 5 diode ? romeo i think that you can't have 300 mw LD at 5.6 mm. ps :i found your supplier =)

As the title say ! im interested in some 300mw 5.6 mm too (very rare); i would like to know if you have a good source of these at a relatively fair price i need them to repair some greenie thanks for all proposal

i take it at 30$ =) can you send me your paypal adress? Thanks:yh:

i received my 90/100mw unit + output coupler This thing is bright ! much more than my old DX sold at 100mw (which is a strong 60mw) Thanks for service Susie :beer: im starting my experiment about crystal now

What a wonderful work !!! Impressive ! im waiting for your next result !:yh:

i have the same problem, can't access using internet explorer. Try to use Opera or different navigator =)

if you have some other "antic" Laserbee <100 $, im very interested !

i have a 404 error when i try to go to your homepage... is your homepage down or my connection ? :yh: woud like to contact you about the "triode" design =)

pm sent :beer:

To complete the thread, Susie is selling OC mirror, R=100 mm, Transmission = 3%@1064nm Size :10mm(dia)*3mm(thickness) Coating : Concave side：HR1064/ Ht532; plane side: AR532 They are used in their >250mW laser, 30 $ for 3 pcs, which is better than good ! http://www.o-like.com/b2b_cpinfo.asp?id=1014

usually they test their laser before sending them. Are you sure that you don't have reversed the polarity of battery, or go with higher voltage ? im a bit surprised about this "instant death" , i would like to know the problem :yh: may the shipping have damaged the board...

i made a spectrograph of a 546.8 HeNe laser showing the fluorescence in the cavity : i don't remenber how to choose a particular wavelenght, is this with the lenght of the cavity ?

Just a little bug : I think there is a problem in the "community" "Picture & album" section. I can't browse to the olds albums, there is no "page 1,2...". :beer:

mmmh i guess it's lesser than 200 mw at 250 mA ( could they really reach this current ? it's high for me ) according to Stenkat's Ir graph (from daguin or mike don't remenber)