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← Revision 20 as of 2012-01-03 23:02:39 ⇥
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| = X end laser = | <<TableOfContents(2)>> |
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| || || 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]|| |
= 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]|| |
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| attachment:PMAM_innolight.png | . {{attachment:PMAM_innolight.png}} |
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| == Temperature and beatnote == | == Temperature and beatnote (PSL vs X end laser ) == |
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| [[BR]] [[BR]] [[BR]] = Y end laser = || || LightWave || || Part Number || || || Power || 700m W (?)|| || Nominal Current || || || Modulation Frequency fm|| - || || PM/AM ratio at fm || - || |
. {{attachment: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. [[http://nodus.ligo.caltech.edu:8080/40m/2794|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|{{attachment:innolight_temperature_sweep.png||height=400}}]] <<BR>> <<BR>> <<BR>> -------- = Y end laser (Lightwave) = == Nominal Parameters == || || Lightwave || || Part Number || || || Power || 700m W (?)|| || Nominal Current || || || Modulation Frequency fm|| - || || PM/AM ratio at fm || - || |
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| attachment:PMAM_lightwave.png | . {{attachment:PMAM_lightwave.png}} == Temperature and beatnote (PSL vs Y end laser ) == === Coarse scan === . {{attachment:temp_yend_psl_coarse.jpg}} === Fine scan === . {{attachment: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. [[http://nodus.ligo.caltech.edu:8080/40m/2794|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|{{attachment:lightwave_temperature_sweep.png||height=400}}]] <<BR>> |
Contents
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
Temperature and beatnote (PSL vs X end laser )
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
-
-
Y end laser (Lightwave)
Nominal Parameters
Lightwave
Part Number
Power
700m W (?)
Nominal Current
Modulation Frequency fm
-
PM/AM ratio at fm
-
Modulations
Temperature and beatnote (PSL vs Y end laser )
Coarse scan
Fine scan
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
