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Bruker Optik GmbH HYPERION - User Manual
Table of Contents
4.15 GIR objective - Important operating notes......................................................... 99
4.15.1 General information................................................................................................ 99
4.15.2 Design of the mirror optics ................................................................................... 100
4.15.3 Setting the viewing mode (VIS) or measuring mode (GIR) .................................. 101
4.15.4 Images generated by the GIR objective ............................................................... 102
4.15.5 Checking the alignment of the GIR objective ....................................................... 103
4.15.6 Realigning the GIR objective................................................................................ 104
4.16 Measuring a sample with the GIR objective .................................................... 107
4.17 Purging the microscope .................................................................................... 110
5 Options and Accessories ......................................................................... 111
5.1 Optional objectives .............................................................................................111
5.1.1 Overview ...............................................................................................................111
5.1.2 Additional information about the GIR objective .....................................................112
5.2 Optional apertures ............................................................................................. 113
5.2.1 Overview ...............................................................................................................113
5.2.2 Installation location of the exchangeable apertures ..............................................114
5.3 Optional microscope stages and sample holders........................................... 116
5.3.1 Overview ...............................................................................................................116
5.3.2 Heating/freezing stage THMS 600 (Linkam) .........................................................117
5.3.2.1 General information...............................................................................................117
5.3.2.2 Controlling the temperature...................................................................................117
5.3.2.3 Safety notes ..........................................................................................................118
5.3.3 Heatable sample holder ........................................................................................118
5.3.3.1 General information...............................................................................................118
5.3.3.2 Safety notes ..........................................................................................................119
5.3.3.3 Controlling the temperature...................................................................................119
5.4 Polarizer .............................................................................................................. 120
5.4.1 General information.............................................................................................. 120
5.4.2 Safety notes ......................................................................................................... 120
5.4.3 Installation location............................................................................................... 121
5.4.4 Performing IR spectroscopic analyses using polarized light ................................ 122
5.5 External sample cabinet - IMAC........................................................................ 123
5.6 Compression cells ............................................................................................. 124
6 Repair and Maintenance ...........................................................................125
6.1 General information ........................................................................................... 125
6.2 Removing and installing the detector .............................................................. 125
6.2.1 General information.............................................................................................. 125
6.2.2 Removal and installation procedure of the MCT detector .................................... 125
6.2.3 Removal and installation procedure of the FPA detector ..................................... 128
6.3 Evacuating the detector dewar ......................................................................... 130
6.3.1 General Information.............................................................................................. 130
6.3.2 Evacuating the MCT detector dewar .................................................................... 130
6.4 Replacing a damaged ATR objective crystal ................................................... 135
