Recent content by EvoFXDWG

From: Middle GA (USA) Occupation: Retired - Electronics Engineer (defense industry) Interested in lasers for general knowledge of thier applications, system/circuit design. I do happen to own a couple of pointers, including an underwater green one that i use while SCUBAing. (I have not worked...

I assume you mean the "comet tail" - probably not. I was more concerned about reduction in range due to dispersion of the light energy. Also concerned if the problem gets worse. But unless the water is extraordinarily high visibility (e.g. no turbidity), i probably wont notice and neither will...

I have an underwater green unit (like this Underwater Scuba & Dive Green Laser Pointer ) that i have had for a number of years. I got it out to prepare for an upcoming SCUBA trip and noticed the projected dot, "grows a tail", like classical pictures of an astronomical comet, after turn-on. The...