Description Cables used to connect the PI S334 to the BCU. Each piezo head has 5 cables terminated with LEMO connectors: 3 for the HV commands (Axis 1, Axis 2, 10...
The CalUnitSystem (or Calibration Unit) is the ARGOS source used for AO calibration in day time. It creates 3 beams that mimics the 3 LGS beams: 532nm narrow band...
Cal unit deployment procedure Enable telescope Stow Pins Put telescope on HBS Laptop and climbing tools are stored on 3L, on ARGOS shelves Attach laptop t...
See also HowToRemoveComa I got istructions to apply a coma correction movement on the Hexapod from J. C. Guerra by e mail (8 May 2014 00:42): To apply a coma of ...
Summary of AO loop calibrations for the ArgosSystemDx Table below resumes the latest combined reconstructors built and tested in daytime: Combination Tag Suba...
Description The dark wheel consists of the mechanical wheel and the DarkWheelMotor (a motor and a limit switch board with Hall sensor). The magnet is glued on the...
Description The dark wheel motor consists of the motor and the limit switch board with Hall sensor. The magnet is glued on the wheel. The motor and the limit swit...
We check the orientation of the PatCams moving the Hexapod and measuring the position of the cal unit spots. TN: 20140507_021846 Hexapod Rx: 207 arcsec TN: 20...
We start to work on the cal. unit. * We measure a differential focus between the blue/yellow spots and the red one. The 2 best focal planes are at about 1mm. B...
Pockels cell test We used Thorlabs CPS532 diode laser, plugging it directly on the fiber coupled on LGSW connectors panel. Data recorded is stored on DX LGSW Yel...
We start recording the IM for the Yellow pupil @ 150Hz. REC: 100modesOK Then we close the loop at 1kHz. TN Notes 20140510_202224 new Snapshot procedure,...
In the morning we have a residual Pie Shape from the LBTI night. 10:30 AdSec recovers. Start of activities with cal. unit, we calibrate the FLAO with the on axis ...
We install the external laser source on the Red arm. 10:00 Micheal Wagner disconnects the accelerometer board on the DX ASM. Acceptance test positions for the Red...
We center the yellow pupil we close the ARGOS loop on yellow pupil just using 10 modes, with different illuminations: TN Notes Res nm wf No TT Res nm w...
subapertures definition: 20140519_014000 extracted from 20140323_055200, centroid normalized on subap flux instead than average subaps flux. subapertures definiti...
Servicing of LgswUnitDx Entance windows separation is 137mm (nominal is 137.9mm). This is the same distance that we have in the LgswUnitSx. So the field stop is ...
Dx Lgsw cable tray modification We discovered that the new cable tray installed in September would collide both with the LGSW camera and board so we removed the l...
LGSW cabling The sequence of installation was this: 1) PatCams cooling lines, ethernet and power cords 2) Roll bar installation (since the Blue PatCam was reinsta...
DX LGSW setup 9:00 a.m.: we start up the LGSW. There is a problem with the state machine: in the powered off state the Thors are off and when you restart, passing...
8:00: start of activity, telescope at horizon, WG and DP go up to install the camera to measure the LAS pupil mirror to LM1 coordinates orientation. 11:00: telesc...
9:24: system fully started, LGSW, ADSEC, FLAO, IRTC are ready. On the FLAO we load the board setup 2014 05 16 ARGOS cal onaxis. Board stage mm X 70 ...
9:30: start of operations FLAO stages @ 72; 49; 37 mm, created Board setup: 07 NoV 14 ARGOS Cal Unit We have a pbl with calibration manager... LB tryes to fi...
Pockels Cells Transmission test 19:30: Sweep between 0.1 and 1.5us with 7 steps with Internal Sources. The system configuration is the following: PUPIL Motor ...
8:00: we go up and we switch the fastlink Pathfinder fiber with the ARGOS one. We plug then the TT fiber on the AGW patch panel (the space there is very tight). W...