Page 180 - Tunable Lasers Handbook
P. 180

SERVO         FREQUENCY    4                      PRINTER
 AMPLIFIER   ~   DISCRIMINATOR


 CURRENT
 SUPPLY   LINE-CENTER
 STABILIZED
 CO  OR  CO    MICROWAVE
 RE~RENCE      SYNTHESIZER   .(                  COMPUTER
 LASER          0-18  GH~

 f
 TUNABLE
 DIODE  LASER                                    FREQUENCY
 (TDU











 FREQUENCY-LOCKED  DIODE  LASER
 OUTPUT  FOR  PRECISELY  TUNABLE
 HIGH  RESOLUTION  SPECTROSOPY




 FIGURE 27  Block diagram of an accurate, continuously tunable, conlpiite~-contlolIcd, kiIoheriz-resoIution IR-frequency syntIlesim-.
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