Green Diode-Pumped Solid-State Laser Systems (Hardware)

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Mounting and OEM Considerations manufacturer or integrator to make sure that the overall device conforms to the applicable regulations and norms. 32
Appendix C Technology Notes At the heart of a DPSS laser is the laser diode. The power vs current curve shown in Figure C-1 below illustrates the output characteristics of a laser diode as a function of input current. At low values of the input, the device acts as a light-emitting diode (LED), producing a relatively small amount of incoherent light. At a threshold value, where the population inversion is large enough so that gain by stimulated emission can overcome the scattering and absorption losses, the laser threshold is reached. As current increases above the threshold value, the light output increases rapidly. The light is now coherent laser light. Ideally, the light output should increase linearly with current, as shown in the figure, but above a given current damage will occur and output power will drop rapidly. Figure C-1 Light output of laser diode as a function of drive current C1 Slope Efficiency One defines a slope efficiency to characterize the laser diode output in this region. The slope efficiency is defined as the increase in optical output power divided by the increase in electrical input power. The definition applies only to the region where the output is increasing linearly. It is an important figure of merit that is used to characterize the laser performance. 1 33
Page 1 and 2: Operator’s Manual for Green Diode
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Page 8 and 9: Introduction to the system or accid
Page 10 and 11: Introduction To designate the contr
Page 12 and 13: For Your Safety technician. There a
Page 14 and 15: For Your Safety • A Guide for Con
Page 16 and 17: Initial Installation • Ensure tha
Page 18 and 19: Initial Installation 11. Disconnect
Page 20 and 21: Operating Your System general, mult
Page 22 and 23: Operating Your System Figure 3-2 La
Page 24 and 25: Operating Your System Main Power (i
Page 26 and 27: Operating Your System Always observ
Page 28 and 29: Operating Your System at least 3 se
Page 30 and 31: Preventive Maintenance 5. Clean win
Page 32 and 33: Preventive Maintenance This page is
Page 34 and 35: Specifications A2 Electrical Specif
Page 36 and 37: Specifications Figure A-2 58 PSM 29
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Page 44 and 45: Mounting and OEM Considerations C5
Page 46 and 47: Service, Support, and Warranty The
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Green Diode-Pumped Solid-State Laser Systems (Hardware)

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