Indicators

complete

intermediate state

nothing happened

gave up

status

items

notes

measurement of lasers' PZT responses

Advanced_Techniques/Green_Locking/Lasers

NPRO placement / optical assembly at the end

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SHG at the end table

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Control system placement

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Coarse/fine alignment to the cavity

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Lock of the green beam to the cavity

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temperature settings for the doubling crystal

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optimization of mode matching

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noise characterization of the RFPD

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status

items

notes

lock the laser to the X arm with a dichroic ETM

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align X arm to the IR beam, and make it flashing

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lock the cavity to the IR (or lock the IR to the cavity)

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A2L to precisely adjust the spot positions for both IR and green.

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overlap IR and green path

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digital control to stabilize X arm

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noise budget

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status

items

notes

set up the optics, laser, doubling crystal and electronics

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lock the laser to the Y arm with a dichroic ETM

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status

items

notes

mode matching to the crystal

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SHG at the PSL table

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rearrangement of the set up due to the PSL upgrade

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temperature setting for the doubling crystal

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preparation of the RFPD

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noise characterization of the RFPD

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status

items

notes

conceptual design of simulated plant

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make a realtime control model

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make a simulated plant model

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GPIB interfaces or RS232 interface to control the crystal temperature

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measure ADC/DAC noise with the new CDS system

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measure time delay of the new CDS systems

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get RFM working

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Think about how we use binary outputs ?

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make a slow temperature controller

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string cables to ADCs and DACs

done only X end

medm screens

done only X end

status

items

notes

measure/calculate the requirements for the whitening filter

/!\ needs to be done soon

build and install the whitening filters

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modification of the PDH boxes

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characterization of the PDH box

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order some electronic racks dedicated for green locking

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make a summing cricuit with BW of ~200kHz

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characterization of the VCO box

need a summary

buy one more frequency counter for the other arm

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make power cables for the corner setup

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make a dedicated beanote detection circuit board

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status

items

notes

In-vac steering (PO transmission / Periscope / Mirrors)

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order new mirrors for SR2 and PR2

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installation of new mirrors on SR2 and PR2

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status

items

notes

ADC/DAC noise measurement

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evaluations of the PDH end locking

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Frequency discriminator noise

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circuit noise

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estimate the performance from a simulation (or any calculation)

Needs to be done soon

f_noise of green beam

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Relative f_noise between the PSL green and the Arm transmitted green ALS performance

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status

items

notes

Automatic handing off scripts

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Ready-to-go panels for AdvLIGO

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green coated vacuum chamber's windows

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dichroic CCD cameras

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Automatic alignment of the green beam

needs a PZT steering mirrors and WFSs

Green Michelson for precise ETM calibration

optional

Absolute length / mode spacing measurement by green

optional

status

items

notes

recheck order list

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reorder some of stuff

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check the item we have

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check polarization of the doubling crystal

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optimize the damping control of each optic

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