Register to reply

Wavelength doubling laser?

by sparkle_pony
Tags: doubling, laser, wavelength
Share this thread:
May2-14, 04:52 PM
P: 23
I've heard of frequency doubling but is wavelength doubling a thing? If so, how efficient?
Phys.Org News Partner Physics news on
UCI team is first to capture motion of single molecule in real time
And so they beat on, flagella against the cantilever
Tandem microwave destroys hazmat, disinfects
May2-14, 05:07 PM
Sci Advisor
PF Gold
UltrafastPED's Avatar
P: 1,911
Frequency doubling divides the wavelength in half:

The inverse process also works, and is usually called parametric down conversion:

Your green laser pointer is an example of frequency doubling/second harmonic generation:
See the schematic diagram on the right hand side - enlarge, and follow the red beam into the crystal which generates the green beam.

Register to reply

Related Discussions
Bragg Law and Effect of Doubling Wavelength Classical Physics 3
Frequency doubling of monolithic Nd:YAG laser in external enhancement cavity Advanced Physics Homework 1
If you know the wavelength of light emitted by a laser how can you know... Introductory Physics Homework 7
Wavelength of a laser exciting H atom from n =2 to n = 5 Introductory Physics Homework 1
CD/DVD laser wavelength and track widths Electrical Engineering 3