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The Little Vertical Laser That Everyone Uses
For the first few decades of its existence, all lasers were side-firing lasers - meaning the beam comes out of the wafer’s side. Horizontally. But in the late 1970s, a new type of semiconductor laser emerged. One that fired out of the wafer surface, vertically. Yes. It sounds a bit weird.
At first, nobody had any idea what to do with it. But over time, the technology has been adopted into a wide variety of everyday applications. Today, it literally shines into people’s faces. In today’s video, the little vertical lasers that everyone uses.
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By Jon Y
5
2424 ratings
For the first few decades of its existence, all lasers were side-firing lasers - meaning the beam comes out of the wafer’s side. Horizontally. But in the late 1970s, a new type of semiconductor laser emerged. One that fired out of the wafer surface, vertically. Yes. It sounds a bit weird.
At first, nobody had any idea what to do with it. But over time, the technology has been adopted into a wide variety of everyday applications. Today, it literally shines into people’s faces. In today’s video, the little vertical lasers that everyone uses.
Get all episodes of Asianometry, Sharp Tech, Sharp China, Stratechery Updates and Interviews, Greatest of All Talk, and Dithering as part of Stratechery Plus for $15/month or $150/year.
Listen to Stratechery.
Listen to Dithering.
Listen to Sharp China.
Listen to Sharp Tech.
Listen to Greatest Of All Talk.
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