Search found 4 matches
- Wed Nov 09, 2016 12:33 pm
- Forum: General Holography
- Topic: Feasibility of retrofitting DPSS lasers with more powerful pump diodes?
- Replies: 2
- Views: 2667
Re: Feasibility of retrofitting DPSS lasers with more powerful pump diodes?
I'm no expert, but I seem to remember a section on the topic in Sam's Laser FAQ that addresses this issue. My recollection is that certain parts of the laser, specifically the resonator and doubler crystals, are probably designed with the existing power input limits in mind, and may not be able to w...
- Fri Feb 26, 2016 3:18 pm
- Forum: Off Topic
- Topic: electronics help needed
- Replies: 11
- Views: 12086
Re: electronics help needed
Ah, I see. then you're right, more volts needed
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- Fri Feb 26, 2016 2:41 pm
- Forum: Off Topic
- Topic: electronics help needed
- Replies: 11
- Views: 12086
Re: electronics help needed
Hi Joe, You may be able to simply lower the series resistance and get more current. LEDs typically drop a constant voltage across their leads, around 1.5 volts. Subtract that from total circuit voltage, then use V=IR to calculate how much resistance to use to keep the LED under its rated max. curren...
- Sun Jan 24, 2016 9:27 pm
- Forum: Beginning Holography
- Topic: Newb(?) question about perceived depth
- Replies: 4
- Views: 2930
Re: Newb(?) question about perceived depth
I think transmission holograms of room scenes would be the closest thing to what you describe. Check out this video of the work of Paula Dawson, the bit where they look at the reflection of the car in the mirror (at 2:11) in the opposite room is particularly striking. https://www.youtube.com/watch?v...