| 11. Table of Contents I. Important - Please read before installation...........................................................................................i II. Table of Contents .................................................................................................................................. ii 1 Introduction..........................................................................................................................................1 2 The Optoscan system controller........................................................................................................2 2.1 System overview..........................................................................................................................2 2.2 General Notes............................................................................................................................. 2 2.3 Software Menu System...............................................................................................................3 3 Principles of monochromator operation........................................................................................13 3.1 Controlling the wavelength.....................................................................................................13 3.2 Controlling the bandwidth.......................................................................................................15 3.3 Speed, optical aberrations and optical throughput..............................................................19 3.4 Choice of grating.......................................................................................................................24 4 Use of signal control modules with the Optoscan........................................................................26 4.1 General Notes...........................................................................................................................26 4.2 PMT supply module.................................................................................................................28 4.3 Input amplifier and PMT amplifier........................................................................................28 4.4 Output module..........................................................................................................................30 4.5 Gain / offset module...............................................................................................................31 4.6 Ratio module.............................................................................................................................32 4.7 Metering module.......................................................................................................................34 5 Rear panel connections on Optoscan control rack.......................................................................35 5.1 The Optoscan 37-way control interface................................................................................35 5.2 The monochromator 25-way connector................................................................................ 38 6 Technical Support..............................................................................................................................40 |