S. Muusse, C. Compton, G. Vajente
We are still in the process of testing the CHETA electronics integration and have began fixing the optical setup on the ITMY Table to test the sensor in situ.
The optical system was realigned with the lenses, waveplate and polariser repositioned to ensure lower 4.65um intensity on the pickoff to prevent burning after the issues in post. All core optics for the 4.65um beam have been placed and we are in the process of adding the sensor paths and laser dumps.
Electronics:
We tested all the laser diode and TEC controller ports on the chassis which were working. It is worth noting when connected to the Laser Enable control the diode will not turn on unless this is enabled and can be used to shut off the laser power.
The thermal power meter input was also working and power changes can be seen on ndscope
I've put in a table the status of all the CDS I/O we've tested so far:
| Sensor | Status | Channel |
| Thermal Power Meter Voltage | Operational | H1:AWC-ITM(OPTIC)_PD_C_VOLTS |
| Laser Enable | Operational | H1:AWC-ITM(OPTIC)_LASER_ENABLE |
| Laser current | Operational | H1:AWC-ITM(OPTIC)_LASER_DIODECURRENTMONITOR |
| Laser Temperature monitor | Operational but uncalibrated | H1:AWC-ITM(OPTIC)_LASER_DIODETEMPMONITOR |
| Flipper | Operational but not installed | H1:AWC-ITM(OPTIC)_FLIPPER_1 |
| Rotation stage | Not operational | H1:AWC-ITM(OPTIC)_POWER |
Some notes are that:
PD_C is the thermal powermeter
PD_A and PD_B are the PDs
We aim to installl the PD setup tomorrow and test its electronics.
Medm
Adjacently, there was continued progress on the medm, a flipper control was installed using SQZT7 code, the slow PD was added using LSC_CUST_DCPD.adl and QPD using QPD.adl. Both will be tested in the coming days on the actual system and the rest of the controls added.