Categories

Teardown, experiments and calibration of an Ist-Rees laser spectrum analyzer

Posted on Tuesday, January 24th, 2017 in Teardowns by DP

pics-Teardown

Ist-Rees laser spectrum analyzer teardown from The Signal Path:

In this short episode Shahriar takes a close look at an Ist-Rees laser spectrum analyzer. This simple instrument is based on a continuously rotating diffraction mirror to detect various wavelengths. A trigger signal is used to denote the beginning of the scan and the front-panel display shows the current selected wavelength. By aligning the output signal with the trigger signal the wavelength of the input light can be measured.
After the unit teardown, the instrument is used to measure the wavelength of a semiconductor 1310nm laser. The unit is calibrated using this source and is then used to measure the infrared leakage wavelength from a green laser pointer.

Check out the video after the break.

This entry was posted on Tuesday, January 24th, 2017 at 2:30 pm and is filed under Teardowns. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

Leave a Reply

Notify me of followup comments via e-mail. You can also subscribe without commenting.

Recent Comments

  • Wilko: It is a nice idea, but I had to remove it after finding out it constantly takes 20% of the processor. (draining the battery) It...
  • Kuro: :3
  • Fred Fish: me
  • hli: Sunday++
  • Kurt: And so with the sunshine and the great bursts of leaves growing on the trees, just as things grow in fast movies, I had that...