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Revision 19 as of 2011-11-14 20:04:27
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 . Plots of the laser frequency vs temperature (measured by beating against a second laser) are shown below. [http://nodus.ligo.caltech.edu:8080/40m/2794 Also, see the elog here].  . Plots of the laser frequency vs temperature (measured by beating against a second laser) are shown below. [[http://nodus.ligo.caltech.edu:8080/40m/2794|Also, see the elog here]].
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 . Plots of the laser frequency vs temperature (measured by beating against a second laser) are shown below. [http://nodus.ligo.caltech.edu:8080/40m/2794 Also, see the elog here].  . Plots of the laser frequency vs temperature (measured by beating against a second laser) are shown below. [[http://nodus.ligo.caltech.edu:8080/40m/2794|Also, see the elog here]].
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X end laser (Innolight)

Nominal Parameters

  • Innolight Mephisto

    Part Number

    Power

    1 W

    Nominal Current

    2.0 A

    Modulation Frequency fm

    216.075 kHz

    PM/AM ratio at fm

    6e+5 [rad/RIN]

Modulations

  • PMAM_innolight.png

Temperature and beatnote (PSL vs X end laser )

  • temp_xend_psl.png

Laser Frequency vs Crystal Temperature

  • Plots of the laser frequency vs temperature (measured by beating against a second laser) are shown below. Also, see the elog here.

    Laser

    df/dT

    df/dV - within a mode

    df/dV - average

    Innolight

    3.3MHz/mK

    -

    -

  • Upgrade 09/GreenLock/Control Information/innolight_temperature_sweep





Y end laser (Lightwave)

Nominal Parameters

  • Lightwave

    Part Number

    Power

    700m W (?)

    Nominal Current

    Modulation Frequency fm

    -

    PM/AM ratio at fm

    -

Modulations

  • PMAM_lightwave.png

Temperature and beatnote (PSL vs Y end laser )

Coarse scan

  • temp_yend_psl_coarse.jpg

Fine scan

  • temp_yend_psl.jpg

Fitting results

  • Y_arm_Temp_meas = 0.95152*T_PSL + 3.8672
  • Y_arm_Temp_set = 0.87326*T_PSL + 6.9825

Laser Frequency vs Crystal Temperature

  • Plots of the laser frequency vs temperature (measured by beating against a second laser) are shown below. Also, see the elog here.

    Laser

    df/dT

    df/dV - within a mode

    df/dV - average

    Lightwave

    2.8MHz/mK

    5GHz/V

    1.6GHz/V

  • Upgrade 09/GreenLock/Control Information/lightwave_temperature_sweep


Advanced_Techniques/Green_Locking/Lasers (last edited 2012-01-03 23:02:39 by localhost)