1256
Comment:
|
2308
|
Deletions are marked like this. | Additions are marked like this. |
Line 25: | Line 25: |
=== Underground environment evaluation === * New environmental monitors * Seismometer analysis * Magnetometer analysis * Microphone analysis * Newtonian noise evaluation === Interferometer noise evaluation === * New environmental monitors * Power line monitor, GND survey * Correlation/coherent analysis (Close to commissioning) * Glitch, line noise evaluation (Close to DetChar) * Feedforward, offline noise subtraction * PEM injection test == VIS(Vibration Isolation System)== === Sensor Development=== * Development of new local sensor with high-sensitivity, wide-range and cryogenic use, replaced from OSEM and photo-sensor * Development of new local sensor by using optical comb technology * Development of inertial sensor (seismometer, accelerometer) === Performance Improvement === * Optimization of control, development of active filter * Control of low frequency range by using GIF * Improvement of lower frequency performance of IP * Development of light and easy maintenance GAS filter |
Possible research topics for graduate students and postdocs
Contents
- Possible research topics for graduate students and postdocs
Main Interferometer related
Vibration isolation related
Cryogenics related
Thermal Noise
- Mechanical Q measurement (sapphire fiber, blade spring, bonding, coatings, ...)
- Evaluation of sapphire suspension thermal noise
- Evaluation of thermal noise of integrated cryo-payload
- Design of new sapphire blade spring
- Measurement of violin mode of sapphire suspension fibers and their subtraction from data
Cryogenics
- Development of high-sensitivity local displacement sensor at low temperature
- Development of frosting removal on mirror by using CO2 laser or heater
- Evaluation of low-magnetism black-coating (optical absorption at 1064nm ...)
- Optical absorption measurement of sapphire mirror at low temperature
- Development of non-contact temperature measurement method of mirror
Physical Environment Monitoring related
Underground environment evaluation
- New environmental monitors
- Seismometer analysis
- Magnetometer analysis
- Microphone analysis
- Newtonian noise evaluation
Interferometer noise evaluation
- New environmental monitors
- Power line monitor, GND survey
- Correlation/coherent analysis (Close to commissioning)
Glitch, line noise evaluation (Close to DetChar)
- Feedforward, offline noise subtraction
- PEM injection test
== VIS(Vibration Isolation System)== === Sensor Development===
- Development of new local sensor with high-sensitivity, wide-range and cryogenic use, replaced from OSEM and photo-sensor
- Development of new local sensor by using optical comb technology
- Development of inertial sensor (seismometer, accelerometer)
Performance Improvement
- Optimization of control, development of active filter
- Control of low frequency range by using GIF
- Improvement of lower frequency performance of IP
- Development of light and easy maintenance GAS filter
Calibration related
Data Management related
Input & Output Optics related
Laser related
Auxiliary Optics related
Digital System related
Detector Characterization related