Contents
Contents
List of Figures
List of Tables
1 An Introduction to Interferometers
1.1 Why Fourier Transform Spectrometry?
1.2 The Basic Mathematics of Interferometry
1.3 The Effects of Modulation
2 The CFHT FTS
2.1 General Design
2.2 Generation of Error Signals
2.3 Dewars and Detectors
3 The FTS Control Panels
3.1 The Master Control Panel
3.1.1 Instrument Setup
3.1.2 Data Acquisition Control
3.1.3 Servo Control
3.1.4 Performance Monitoring
3.2 The Auxiliary Control Environment
4 Using The FTS
4.1 Beginning of Night Start-Up
4.2 Filling the Dewars
4.3 Aligning the Dewars
4.4 Locking the Servo System and Locating Optical ZPD
4.5 Scanning a Filter
4.6 Locating the ``Hot Spot''
4.7.1 Guide Pellicle in Place
4.7.2 Guide Mirror in Place
4.7 Observing an Object on the Sky
4.7.1 Guide Pellicle in Place
4.7.2 Guide Mirror in Place
4.8 If the Servo Should Unlock
4.9 End of Night Shutdown
5 The FTS Pegasus Session
5.1 The Software Environment
5.2 FTS Control Menus
5.2.1 Scans
5.2.2 ZPD
5.2.3 Carriage
5.2.4 TPQ
5.2.5 The Filter Table
5.3 Data Management
5.3.1 Look
5.3.2 Eng
5.3.3 Files
5.3.4 Modes
5.4 Utilities
5.4.1 Tools
5.4.2 Suggestions
5.4.3 News
5.5 Disaster Relief
6 FTS Troubleshooting
6.1 No Signal, or Very Weak Signal
6.2 Unusual Interferogram and/or Power Spectrum
A FTS Filters
B FTS Filter Transmission Curves
C FTS S/N Curves: InSb Detectors
D FTS Observing Log