YOu can go to the following website to learn more about operatig an optical power meter safely and if you can http://www.thorlabs.com/navigation.cfm?Guide_ID=37

Thor Labs offers many options in the way of optical power meters. They can be purchased from their website: http://www.thorlabs.com/navigation.cfm?Guide_ID=37

It is a device used to measure power in an optical signal. It is usually done to test optic fibers. Here is where you can get a lot more information on it: http://en.wikipedia.org/wiki/Optical_power_meter

optical power means living

8.2 meter-miles