Recent content by y33t

I have a cheap 30mw green laser pointer but when I measure it's intensity with an LDR or CCD, it gives different values each time.Very close but not same. What I need is a stable beam, when I turn this pointer on, it's intensity level start to decrease after a period of time and there is no...

Hi everyone! I just joined the site and it feels like home. I am conducting an experiment where I need to be sure that the output of my laser should be constant. I will drive the diode using pic mcu. My first guess is to split the beam to half using a crystal and measure the power of the half...