Differences between revisions 4 and 8 (spanning 4 versions)

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

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

Innolight laser

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

-  ⇤ ← Revision 4 as of 2011-09-22 06:08:51 → 
  Size: 458
  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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+== Temperature and beatnote ==

[[BR]]
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+Line 21:
-|| || 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]]
-----
= 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)>>