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ID	Date	Author	Type	Category	Subject	Text
2508	Tue Jan 12 09:37:05 2010	Alberto	Update	ABSL	IFO available	I finished measuring the AbsL for this morning. The IFO is again available. Please don't mess up with the
2513	Wed Jan 13 12:03:00 2010	Alberto	Update	ABSL	Measurement now running. Please be careful	At the moment I'm running a measurement on the PRC and I'm planning to leave it going for the time we'll be at the 40m meeting.
2521	Mon Jan 18 18:34:01 2010	Alberto	Update	ABSL	Measurement in progress	I started a long measurement of the PRC's transmissivity. I'm leaving the lab and I'm going to be back at about 8 tonight. Please
2522	Mon Jan 18 20:58:40 2010	Alberto	Update	ABSL	Measurement in progress
2531	Tue Jan 19 12:54:39 2010	Alberto	Update	ABSL	Measurement in progress	A measurement will be running for the next hour. Please be careful.
2532	Tue Jan 19 16:21:18 2010	Alberto	Update	ABSL	Watchdogs not working and then fixed	This afternoon the watchdogs stopped working: they didn't trip when the suspension positions crossed the threshold values.
2534	Wed Jan 20 20:11:56 2010	Alberto	Update	ABSL	Some preliminary results from measuring PRC's transmissivity for an amplitude modulated beam	Here I'm posting a plot showing a set of measurements that I made in the past few days to determine the absolute length
2536	Thu Jan 21 10:31:13 2010	Koji	Update	ABSL	Some preliminary results from measuring PRC's transmissivity for an amplitude modulated beam	Nice and interesting plot.
2541	Fri Jan 22 02:54:06 2010	Alberto	Update	ABSL	Overnight measurement	I'm leaving a measurement running overnight. It should be done in about one hour. Tomorrow morning, If you need to
2543	Fri Jan 22 14:40:49 2010	Alberto	Update	ABSL	Overnight measurement
2545	Mon Jan 25 16:30:37 2010	Alberto	Update	ABSL	166 MHz sideband turned off	I turned off the modulation at 166MHZ becasue I don't need it if I'm only locking the PRC.
2546	Mon Jan 25 16:46:33 2010	Alberto	Update	ABSL	166 MHz sideband turned off
2547	Tue Jan 26 03:28:56 2010	rana	Update	ABSL	166 MHz sideband turned off	You can turn the 166 off if you want. MZ is unhappy after its turned
2550	Wed Jan 27 11:02:30 2010	Alberto	Update	ABSL	PRC Cavity Length	I fitted the data from scanning the PRC by changing the beat frequency of the auxiliary laser beam with the PSL beam. The
2553	Fri Jan 29 12:06:58 2010	Alberto	Update	ABSL	Measurement running today at lunch time	I just started a measuremtn that will be running for the next hour or so. Please be careful with the interferometer.
2554	Fri Jan 29 13:14:49 2010	Alberto	Update	ABSL	Measurement running today at lunch time
2576	Mon Feb 8 14:13:03 2010	Alberto	Update	ABSL	PLL Characterization	Lately I've been trying to improve the PLL for the AbsL experiment so that it could handle larger frequency steps and thus speed
2577	Mon Feb 8 14:56:17 2010	Alberto	Update	ABSL	Suddenly a much better alignment of PRC	I just aligned PRM and locked PRC and I noticed that SPOB is much higehr than it used to be. It's now about 1800, vs 1200
2578	Mon Feb 8 15:01:46 2010	rob	Update	ABSL	Suddenly a much better alignment of PRC
2579	Mon Feb 8 15:41:51 2010	Alberto	Update	ABSL	Suddenly a much better alignment of PRC
2581	Tue Feb 9 09:07:06 2010	Alberto	Update	ABSL	PLL Characterization
2582	Tue Feb 9 10:10:58 2010	Alberto	Update	ABSL	back to analog	I want to try to do the measurement with the network analyzer used as local oscillator, instead of the Marconis that I'm using now.
2679	Thu Mar 18 10:46:51 2010	Koji	Update	ABSL	PLL reconstructed	Last night (Mar 17) I checked the PLL setup as Mott have had some difficulty to get a clean lock of the PLL setting.
2680	Thu Mar 18 12:27:56 2010	Alberto	Update	ABSL	PLL reconstructed
2681	Thu Mar 18 13:40:35 2010	Koji	Update	ABSL	PLL reconstructed	We use the current PLL just now, but the renewal of the components are not immediate as it will take some time. Even so we need
2684	Thu Mar 18 21:42:26 2010	Koji	Update	ABSL	PLL reconstructed	I checked the setup further more. I replaced the PD from NewFocus 1GHz one to Thorlabs PDA255.
2696	Mon Mar 22 22:11:26 2010	Mott	Update	ABSL	PLL reconstructed	It looks like the PLL drifted alot over the weekend, and we couldn't get
2697	Mon Mar 22 23:37:32 2010	Mott	Update	ABSL	PLL reconstructed	We have managed to lock the PLL to reasonable stability. The RF input is attenuated
2703	Tue Mar 23 18:44:46 2010	Mott	Update	ABSL	PLL reconstructed	After realigning and getting the lock today, I tried to add in the SR785
4832	Fri Jun 17 16:05:07 2011	kiwamu	Update	ABSL	LightWave out of MOPA box	[Suresh / Kiwamu] We did the following things :
4840	Mon Jun 20 11:38:49 2011	kiwamu	Update	ABSL	I-P curve of LightWave M126-1064-700	The I-P curve of the LightWave NPRO (M126-1064-700), which was taken out from the MOPA box, was
4841	Mon Jun 20 13:48:25 2011	Koji	Update	ABSL	I-P curve of LightWave M126-1064-700	Hmm. Was the current within the operating range? (i.e. Is it a 700mW laser or a 1W one?)
4842	Mon Jun 20 16:44:02 2011	steve	Update	ABSL	I-P curve of LightWave M126-1064-700	Put the serial numbers into the elog. So we can identify the laser and
4855	Wed Jun 22 15:24:10 2011	kiwamu	Update	ABSL	got a laser controller for LightWave	Peter King came over to the 40m with a laser controller and gave it to us.
4872	Thu Jun 23 22:59:45 2011	kiwamu	Update	ABSL	I-P curve of LWE	The
4874	Fri Jun 24 00:13:24 2011	kiwamu	Update	ABSL	beam profile measurement of LWE	The beam profile of the LWE (LightWave Electronics) NPRO was measured.
4877	Fri Jun 24 07:49:23 2011	steve	Update	ABSL	I-P curve of LWE with serial numbers
4917	Thu Jun 30 03:26:40 2011	kiwamu	Update	ABSL	status update	Status update of the absolute length (ABSL) measurement:
4923	Thu Jun 30 14:11:55 2011	kiwamu	Update	ABSL	a photo of ABSL setup on the AP table	Here is a picture of the latest ABSL setup at the east part of the AP table.
4925	Thu Jun 30 21:00:20 2011	kiwamu	Update	ABSL	fine alignment done	(Just a quick report) The fine alignment of the ABSL laser injection
4939	Tue Jul 5 16:09:54 2011	kiwamu	Update	ABSL	some photos for ABSL setup	Here I show two photos of the latest ABSL (ABSolute Length measurement) setup.
4940	Tue Jul 5 17:38:46 2011	kiwamu	Update	ABSL	ABSL laser frequency-locked	In this past weekend the ABSL laser was successfully
5079	Mon Aug 1 04:08:24 2011	kiwamu	Update	ABSL	Arm length measurement : cavity kick technique	I made some attempts to measure the current length of
5095	Tue Aug 2 16:55:21 2011	rana	Update	ABSL	Arm length measurement : cavity kick technique
5117	Thu Aug 4 09:42:19 2011	Koji	Update	ABSL	ABSL Laser shutter closed	The shutter of the ABSL laser is closed for the vent work.
8257	Fri Mar 8 12:57:57 2013	Annalisa	Update	ABSL	BS installed on ITMY table	Sendhil and I installed the S polarized BS on the ITMY table to steer the NPRO beam through the AR wedge and align it to the
8258	Fri Mar 8 13:42:35 2013	Jenne	Update	ABSL	BS installed on ITMY table	Re: POY beam reduction. We are able to lock the Yarm with the beam / gain as it is. I had thought
8303	Mon Mar 18 12:02:12 2013	Annalisa	Configuration	ABSL	ABSL setup for g-factor measurement of PRC	Motivations The ABSL technique has been already used in the past to measure the
8361	Wed Mar 27 21:53:21 2013	Annalisa	Update	ABSL	Beat note of ATF auxiliary laser	After measuring the beat note, the "Alberto" NPRO auxiliary laser has been moved from the PSL table to the POY table. Its beam
8369	Thu Mar 28 23:00:30 2013	Annalisa	Update	ABSL	Beat note of ATF auxiliary laser found	The beat note for the ATF lab laser has been found.

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