|Documents||Polarimeter Quick Reference|
|Spectropolarimetry. II. Circular Polarization Optics and Techniques.|
|Reference Manual - For those who want some details.|
Afternoon focus procedure
Please use the LRIS focus GUI
Note that with some polarizing elements (HNP'B UV/optical Polaroid and teh IR800 IR polarizer), some of the wave plate positions will put all the light into one beam. Don't let yourself be fooled into doubling your exposure times and saturating the images at those angles.
|Arc Lamps||Typical Exposure Times|
|Flats||Dome Flat Typical Exposure Times|