Most powerful diode Laser OVERDRIVEN! Nanosecond Laser!

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Episode 65

#laser
#nanosecond
#pulsedlaser
#jimwilliams

Let's drive the worlds most powerful visible laser diodes FAR beyond its original specifications!
Running at hundreds of volts and over 80 amps, with a home-made Avalanche Nanosecond Pulsed Laser Diode Driver!


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Links!:


PCB Design Files: https://github.com/leswright1977/aval... (This is a work in progress and data is being added as and when)

NUBM-47 datasheet: https://www.apslasers.com/wp-content/...

Dye Laser driven by pulsed laser diodes: https://link.springer.com/article/10....

A whole range of visible and IR Laser diodes driven in pulsed mode:
https://www.sciencedirect.com/science...

Laser Peak Power Calculator: https://www.ophiropt.com/en/laser-pea...

Application note 47, the Jim Willams Driver (appendix D) https://www.analog.com/media/en/techn...

0:00 Intro
0:24 The most powerful Visible Laser diode in the world!
0:54 Pulsed Laser diodes
1:17 Sensitive Laser diodes
1:40 Scientific Literature on Pulsed visible Laser diodes!
4:33 Extraordinary peak powers.
6:12 Application note 47 the Jim Williams avalanche driver
6:50 Manhattan Style board
7:00 A real design in EasyEDA
9:30 JLCPCB $2 PCB's Video Sponsor
10:42 Assembled prototype Drivers
11:28 High Voltage power supply
11:55 Laser Safety
12:04 Powering up the Laser
12:35 Nanosecond pulses!
13:13 Power Measurement
14:47 Calculation
15:18 Building a Laser Rangefinder!
17:00 Fluorescent Dyes
17:46 Future work
18:11 Credits!