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: The basis of a solid-state diode laser is, of course, the diode. : Laser diodes can have different emission wavelength??most of : them have between 405 nm to 808 nm. The diodes usually have TO3, : TO5, TO9, or TO18 housings. : Chilling the laser diode is very important. Though typically : installed in copper modules (Fig. 2), this laser copper module : will not be able to distribute all heat that is generated by a : diode if the power of the diode is more than 0.5 W (500 mW). It : requires an additional heatsink. : A copper laser module (Fig. 3) can be inserted into a heatsink. : Once inserted, the laser copper module still might generate too : much heat. If so, it will require a fan. Additional air blowing : with, let??s say, regular fan with sizes 40 by 40 mm or 50 by 50 : mm will help to cool the heatsink. As noted above, chilling the : diodes is very important. A cooler module will extend the : lifecycle of the laser. In addition, the laser will be able to : put out more power.
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