Look no further, this page showcases forensic science definitions from a range of credible sources. Definition of Forensic-Science 1. Forensic science is the application of natural sciences to matters of the law. In practice, forensic science draws upon physics, chemistry, biology, and other scientific principles and methods. Forensic science is concerned with the recognition, identification, individualization, and evaluation of physical evidence.
T165 picosecond to nanosecond laser diode pulser. Edge-triggered pulse, user adjustable width. Optical pulse widths from 100 picoseconds to 850 nanoseconds. Laser pulse current up to 400 mA, 700 mA with heat sinking. Pin socket connection to Type-1 butterfly-packaged laser diodes, solder connect optional; compatible with other diode packages.
Zener diode used as an ESD protection means. The figure to the right shows another ESD protection means commonly employed to protect laser diodes. In this scheme, a Zener diode is connected anti-parallel with the laser diode. There are several problems with this technique.SD polarity terminology used on this web site. The term âpositive-ESDâ is used to mean electrostatic discharge (ESD) whose voltage polarity would tend to forward-bias a laser diode. âNegative-ESD,â means ESD whose voltage polarity would tend to reverse-bias a laser diode.