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Laser Diode
application guide
1-1|1-2

1. Items and Definitions

1-1. Absolute Maximum Ratings for Laser Diode

Specifications are given for a case temperature Tc of 25 ºC. However, note that the thermistor temperature (Tth) is used for devices with an internal Peltier element, and the cooling water temperature (Tw) for water-cooled packages.
Item Symbol Definition of maximum rating Remarks
Optical
power output		 Pomax Maximum allowable output defined for continuous operation or pulse operation. This optical power output or less does not have the degradation as shown in the figure.
graph1-01
  
Reverse
voltage		 VR Maximum allowable voltage when the reverse bias is applied to the semiconductor laser and the photodiode.  
Operating
temperature		 Topr Allowable temperature when the device is operated. It is given for the case temperature.  
Storage
temperature		 Tstg Allowable ambient temperature when the device is stored.  
 
Semiconductor and Component


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