Main Features: 

Red laser Diode Module is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term “laser” originated as an acronym for “light amplification by stimulated emission of radiation.

A laser differs from other sources of light in that it emits light which is coherent. Spatial coherence allows a laser to be focused to a tight spot, enabling applications such as laser cutting and lithography. Spatial coherence also allows a laser beam to stay narrow over great distances (collimation), enabling applications such as laser pointers and lidar. Lasers can also have high temporal coherence, which allows them to emit light with a very narrow spectrum

Specification Red laser Diode Module:

• Standard DIY accessories for pen or torch style  Laser Pointer. 
• Glasses lens neat laser dot and visible laser beam. 
• Strong beam power can light match.
• Wavelength 532(nm) 
• Output Power 150(mW) 
• Transerv model TEM00 
• Operation Model CW Ellipticity >95% 
• Beam Quality(M2) <1.5 
• Power Stability <5%(rms,over 4hours) 
• Pointing Stability  <5%(mrad, after warm up) 
• Warm up Time <1(minutes) 
• Beam Divergence <1.5(mrad, full angle) 
• Beam Diameter <1.5(mm, at beam aperture) 
• Operation Temperature 10-35(°C) 
• Input Voltage <3.7VDC 
• Input Current <350mA
• Size 12x45mm

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Internal Circuit of Laser: