# Nice explanation of how an optical maser ( ie a laser) works from 50 years ago!

**URL:** <https://boards.straightdope.com/t/nice-explanation-of-how-an-optical-maser-ie-a-laser-works-from-50-years-ago/620251>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [April 28, 2012, 6:29pm UTC](https://boards.straightdope.com/t/nice-explanation-of-how-an-optical-maser-ie-a-laser-works-from-50-years-ago/620251 "2012-04-28T18:29:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![astro](https://avatars.discourse-cdn.com/v4/letter/a/9dc877/32.png) [@astro](https://boards.straightdope.com/u/astro)\
**Post date:** [April 28, 2012, 6:29pm UTC](https://boards.straightdope.com/t/nice-explanation-of-how-an-optical-maser-ie-a-laser-works-from-50-years-ago/620251/1 "2012-04-28T18:29:41Z")

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[The optical maser](http://www.youtube.com/watch?v=vuORqMb481k&feature=related)