[Laser] 2 questions XE2AT

[Zack Widup]

On Wed, 11 Feb 2004, Alvaro de Leon Romo wrote:

> Well like a boy that open a new book and not understand something , is like 
> I am now with Laser but I found a lot where make the questions THANKS TO ALL 
> !!
>   1. I am using pointers and the Wave lenght is 630 to 670 nm this is 474 
> Thz I think, I canot found the formula to know the frecuency somebodie have 
> this formula ?

Very simple.  Speed of light = frequency X wavelength

So frequency = speed of light/wavelength

Frequency = 3.0E05/630E-09 in first of above examples
= 476 THz

73, Zack W9SZ