CIAO's polarimetry has a rotatable and achromatic half wave plate and a wire grid analyzer for measurement of linear polarization at JHK band. Circular polarimetry ...

For detailed information about CHARIS, please refer to the CHARIS website. Spectro-Polarimetric Imaging is enabled by a Wollaston prism, field stop, and half ...

Chop_PA can be changed from its default direction of due north. It is useful to specify this, for instance, when a target is in a crowded region and the chopped off-beam has to be placed at a ...

自然科学研究機構国立天文台ハワイ観測所が運用する 口径 8.2 メートルの光学赤外線望遠鏡です。