Old 12-18-2017, 07:10 PM #1
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Default New to the forum-Greetings from SWFL

Greetings all.
After purchasing a cheap green “burning” laser that died after three days of use, I decided to investigate what constitutes a real laser pointer.

I ran accross this forum and my “inner bookworm” kicked in. I spent several days reading info on diodes, drivers, etc.... I finally felt comfortable enough to purchase the parts to assemble a laser pointer myself.

I contacted Survival Lasers and have since put together two pointer that are still working (makes me ��):
C6 host with an M140 diode and stock 1.8amp driver
S4x host with a NUBM05 diode and a SL adjustable driver

I did learn about setting the amperage of the driver when the diode on the S4x burned bright and then immediately dimmed. Apparently I didn’t pay enough attention (too excited to put things together) to properly set up the driver! I found the solution on your forum and dialed the amperage back and now it is rock steady.

I �� forward to talking with all of you and continuing to learn more about the �� of portable lasers.
✌️



Last edited by Brewster007; 12-18-2017 at 07:12 PM. Reason: Spelling error, but could not change for some unknown reason.
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Old 12-18-2017, 07:19 PM #2
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Default Re: New to the forum-Greetings from SWFL

Welcome to LPF, Brewster! ✌

Glad to see that you didn't kill your diode.

PS - You may also want to put your general location in your profile.
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Old 12-18-2017, 07:39 PM #3
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Will do!!
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Old 12-18-2017, 07:43 PM #4
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Default Re: New to the forum-Greetings from SWFL

Two for two, your looking good. Welcome to the forum, enjoy and be safe.
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Old 12-18-2017, 07:51 PM #5
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Welcome!
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Old 12-18-2017, 07:57 PM #6
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Old 12-18-2017, 08:25 PM #7
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Default Re: New to the forum-Greetings from SWFL

Hmm.
First post in welcome thread, check.
General location filled out, check.
Doing research instead of needlessly creating threads, check and +REP.
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Old 12-18-2017, 08:32 PM #8
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Default Re: New to the forum-Greetings from SWFL

Welcome to the forum.
Enjoy your stay.
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Old 12-18-2017, 08:42 PM #9
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Default Re: New to the forum-Greetings from SWFL

Thanks all!

#CynicalBrad - my wife already asked me why I’m getting into lasers. I told her it was powered by electrons! She said “that makes sense”.
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Old 12-18-2017, 08:50 PM #10
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Default Re: New to the forum-Greetings from SWFL

Welcome!

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Old 12-18-2017, 09:15 PM #11
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Default Re: New to the forum-Greetings from SWFL

Hi Brewter,
Welcome to LPF many nice people here and very informative . Have fun and be safe always.

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Old 12-18-2017, 09:29 PM #12
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Default Re: New to the forum-Greetings from SWFL

Quote:
Originally Posted by Brewster007 View Post
Thanks all!

#CynicalBrad - my wife already asked me why I’m getting into lasers. I told her it was powered by electrons! She said “that makes sense”.
Do we need to be prepared to sign you up for photonaholics anonymous?
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Old 12-18-2017, 09:56 PM #13
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Welcome, please stay safe and enjoy.
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Old 12-18-2017, 11:09 PM #14
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Default Re: New to the forum-Greetings from SWFL

Welcome to the Forum...
✌️
Enjoy your stay

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Old 12-18-2017, 11:16 PM #15
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Default Re: New to the forum-Greetings from SWFL

Photonaholics anonymous? I’ll let you know!

I am going back to school in January and need a place to “rest my brain”, so lasers, and all things powered by electrons, are going to be my “mental relaxation”for at least the next two years.
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Old 12-18-2017, 11:56 PM #16
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Default Re: New to the forum-Greetings from SWFL

Welcome to the LPF, Brewster. I wonder how you set the current on the adjustable driver that sounds like it nearly killed your diode. You should not just turn the pot down until the beam is stable. Drivers are constant current devices and need to be set for a particular current before being attached to the laser diode. We use dummy loads to approximate a laser diode and measure the voltage drop across a sense resistor to convert the voltage drop to a current through the string. Good luck with your new hobby and learn all you can.
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493nm 120 mW 501B
502nm 110 mW 501B Lifetime
520nm LaserLands pointer Measures 510nm
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
638nm 1 watt Cyprus II
635nm 5mW pointer
635nm 100mW pointer
638nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
Ocean Optics USB2000 Spectrometer
B&W TEK BTC100 Spectrometers X3
Scientech Vector S310 with AC2500 10 Watt LPM/ Hyperion 6 Watt & 20 Watt LPM/ Radiant X4 3.7 Watt LPM
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