
Specialized Accessories..............................................................................51
Items to Have Available.............................................................................52
Common Window Materials..............................................................................53
Techniques for Preparing Samples....................................................................54
Flattening Solids .......................................................................................54
Slicing Samples from Solids .......................................................................55
Polymers ..................................................................................................56
Particles ...................................................................................................59
Fibers.......................................................................................................60
Fibrous Solids ...........................................................................................60
Coatings on Substrates..............................................................................60
Liquids .....................................................................................................60
Techniques for Collecting IR Images and Spectra ..................................63
Techniques for Collecting IR Images and Spectra ..............................................64
Using the Compression Cell .......................................................................65
Using the Hot Stage..................................................................................66
Collecting the Image of a Thick Sample......................................................66
Collecting an Image in an Inert Atmosphere...............................................68
Viewing a Sample with the Visible Polarizer.......................................................71
The Theory of Light Polarization.................................................................71
Applications..............................................................................................72
Equipment................................................................................................73
Collecting Images Using the Infrared Polarizer Accessory...................................75
Using the Polarizer....................................................................................76
Collecting Spectra with the ATR Objective.........................................................77
ATR Objective Specification..............................................................................79
Fitting the ATR Crystal Holder to the Imager.....................................................80
Measuring the Energy in Reflectance Mode .......................................................81
Adjusting the Height of the Crystal ...................................................................82
Centering the Crystal.................................................................................82
Checking the Infrared Alignment................................................................84
Removing the ATR Crystal Holder from the Imager............................................85
Fitting a Crystal Assembly to the ATR Objective.................................................86
Cleaning the ATR Objective Crystal...................................................................87
Collecting Spectra Using the ATR Crystal...........................................................88
Collecting a Background Spectrum .............................................................88
Collecting a Sample Spectrum....................................................................89
Reflectance FT-IR Microspectroscopy................................................................91
Diffuse Reflectance ...................................................................................91
Specular Reflectance.................................................................................92
Reflection-Absorption................................................................................93
Maintenance.............................................................................................95
Maintenance....................................................................................................96
Inspecting the Imager...............................................................................97
Protecting the Imager ...............................................................................97
Cleaning the Optics...................................................................................97
Cleaning the Cover....................................................................................97
Replacing the Imager Fuse...............................................................................98
Testing the Stage Controller.............................................................................99
Replacing the Stage Controller Fuse................................................................ 100
Service.......................................................................................................... 101
Accessories ................................................................................................... 102
Sample Preparation Tools........................................................................ 102
Electrical Connections .................................................................................... 103
Fitting the Plug ....................................................................................... 103
Connecting the Imager to the Electrical Supply......................................... 104
Imager Connections................................................................................ 105