Off, and on, 635nm laser diode with photodiode under the microscope.

[LtKernelPanic]

Damn! Awesome shots as usual.

 

[Addonex]

Really stunning pictures piferal, +rep and thanks for sharing.

 

[Seoul_lasers]

Those are really excellent shots!
camera and lens envy +1~

 

[jander6442]

Anyone seeing this should definatly leave +rep after viewing... good job.

 

[piferal]

Thanks again for your all nice comments, much appreciated, really