Differences between revisions 3 and 8 (spanning 5 versions)
⇤ ← Revision 3 as of 2011-09-22 06:07:26 →
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Editor: KiwamuIzumi
Comment:
← Revision 8 as of 2011-09-23 05:13:14 → ⇥
Size: 1426
Editor: KiwamuIzumi
Comment:
Deletions are marked like this. Additions are marked like this.
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|| PM/AM ratio at fm || 10e-5 [rad/RIN]|| || PM/AM ratio at fm || 6e+5 [rad/RIN]||
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== Temperature and beatnote ==

[[BR]]
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|| || LightWave || || || Lightwave ||
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== Modulations ==
attachment:PMAM_lightwave.png



[[BR]]
[[BR]]
-----
= Temperature setpoints =
== PSL vs Xend ==
 attachment:temp_xend_psl.png

= Temperature setpoint for doubling ovens =
== PSL ==
== Xend ==
== Yend ==

[[BR]]
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= 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 ||
|| Innolight || 3.3MHz/mK || || ||


=== Lightwave laser ===
<<ImageLink(lightwave_temperature_sweep.png,Upgrade 09/GreenLock/Control Information/lightwave_temperature_sweep,height=400)>>

=== Innolight laser ===
<<ImageLink(innolight_temperature_sweep.png,Upgrade 09/GreenLock/Control Information/innolight_temperature_sweep,height=400)>>

X end laser

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

attachment:PMAM_innolight.png

Temperature and beatnote

BR BR BR

Y end laser

Lightwave

Part Number

Power

700m W (?)

Nominal Current

Modulation Frequency fm

-

PM/AM ratio at fm

-

Modulations

attachment:PMAM_lightwave.png

BR BR

Temperature setpoints

PSL vs Xend

  • attachment:temp_xend_psl.png

Temperature setpoint for doubling ovens

PSL

Xend

Yend

BR

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

Innolight

3.3MHz/mK

Lightwave laser

lightwave_temperature_sweep.png

Innolight laser

innolight_temperature_sweep.png

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