LgswUnitDx work

LgswUnitDx installation

9:00: we go up to crane back the LGSW: ML leads the operation.

12:00: installation completed, we go back to control room and we switch on the LgswUnitDx.

New laser acquisition target

We measure the new FoV centers on Patrol cameras:

WFS	X	Y
Blue	179	146
Yellow	176	117
Red	177	127

• Laser acquisition target tag: 20161015_192400

We also control and re-optimize the Patrol cameras clocking...

PockelsCellsTransmission test

TNs	Plot
*DX: ['20161015_194932', ...]

Test with AdSec

We try to close the loop using the May reconstructor, LGSW only. We flatten the shell using flat 20160515_ARGOS_10modes

Best pupil position is with motors in:

WFS	PM X	PM Y
Blue	420	530
Yellow	300	370
Red	425	350

DX HEXA	-5.16	-8.27	1.18	292	137

With IS we see the full pupils while with the cal source the bottom left part of yellow is vignetted (or fainter!) (left in figure below)

We compare the flux distribution with the one of May and we notice the same effect but on the Red at that time (right in figure below)

LgswUnitDx work

LgswUnitSx Truth Sensing

With a mag=10 we test again the Truth Sensing closing the AO loop with the Pyramid and the LGSW. We move the Pyramid Board to null the differential focus between the Pyramid WFS and the LGSW.

TN	AO Gain	AO CL	TT Res. WF [nm rms]	HO Res. WF [nm rms]	AO rec	DIMM ["]	JCL	PCL	Notes
20161015_173638	0.5,0.5,0.4	T	123.496	56.393	20161013_160000	-1	T	F	no dist
20161015_173704	0.5,0.5,0.4	T	104.349	48.4	20161013_160000	-1	T	F
20161015_174323	0.6,0.5,0.4	T	51.8505	60.231	20161013_160000	-1	T	F	1" dist
20161015_174341	0.6,0.5,0.4	T	63.5841	65.0478	20161013_160000	-1	T	F
20161015_174400	0.6,0.5,0.4	T	52.9648	61.8985	20161013_160000	-1	T	F
20161015_174500	0.6,0.5,0.4	T	65.9369	67.7154	20161013_160000	-1	T	F

APD calibrations

11:30 We connect the APD fibers to the AGW. Snapshot with APD in the dark: 20161015_193107 We start the dark calibration. We perfom a set of 4 seconds measures.

APD1	APD2	APD3	APD4
138	213	3106	275

Too much light on APD3, we go up and check the fibers.

APD1	APD2	APD3	APD4
140	300	400	300

It seems ok but then we try to measure the flat and we measured:

APD1	APD2	APD3	APD4
8000	12000	1000	11000

We change the APD3 fiber (FIBER2) with the SPARE2 and we measured a flat of:

APD1	APD2	APD3	APD4
10000	15000	9000	13000

We measured the dark and the flat with 40 seconds measures:

	APD1	APD2	APD3	APD4
dark [ph/s]	142	280	820	348
flat [%]	76	99	60	100

With the new dark and flat we close the AO loop with APD and LGSW. We use the Pyramid for the Truth Sensing with low flux (mag>18). We move the Pyramid Board to null the differential focus between the Pyramid WFS and the LGSW.

TN	AO Gain	AO CL	TT Res. WF [nm rms]	HO Res. WF [nm rms]	AO rec	DIMM ["]	JCL	PCL	Notes
20161015_230338	0.5,0.5,0.4	T	2505.32	241	20161014_235200	-1	T	F
20161015_231356	0.1,0.4,0.3	T	1202.54	33.9586	20161014_235200	-1	T	F
20161015_232527	0.1,0.4,0.3	T	1388.8	34.0895	20161014_235200	-1	T	F
20161015_232559	0.1,0.4,0.3	T	1308.09	34.0503	20161014_235200	-1	T	F
20161015_234739	0.1,0.4,0.3	T	2191.83	42.8717	20161014_235200	-1	T	F
20161015_234805	0.1,0.4,0.3	T	2192.53	43.2856	20161014_235200	-1	T	F
20161015_235218	0.1,0.4,0.3	T	2179.27	43.2756	20161014_235200	-1	T	F
20161015_235432	0.1,0.4,0.3	T	2692.42	47.34	20161014_235200	-1	T	F
20161015_235736	0.1,0.4,0.3	T	1129.81	67.1931	20161014_235200	-1	T	F
20161015_235757	0.1,0.4,0.3	T	1094.64	66.5177	20161014_235200	-1	T	F
20161016_000127	0.1,0.4,0.3	T	1107.25	81.4256	20161014_235200	-1	T	F
20161016_000148	0.1,0.4,0.3	T	1125.85	84.3245	20161014_235200	-1	T	F
20161016_000204	0.1,0.4,0.3	T	1163.61	97.1494	20161014_235200	-1	T	F

The TS was able to converge to the same modal offset measured in the morning with a bright ngs.

ASM skip frame

After a few minutes of AO closed loop with the 1" disturbance we notice the Skip Frame flag and we check the temperature in the Housekeeper GUI of the ASM.