EMPOL: an EMCCD based optical imaging polarimeter

Shashikiran Ganesh; Archita Rai; Aravind K.; Alka Singh; Prachi Vinod Prajapati; Ashish Mishra; Prashanth Kasarla; Deekshya Roy Sarkar; Pitamber Singh Patwal; Namita Uppal; Sunil Chandra; Satyanarain Mathur; Amish B. Shah; Kiran S. Baliyan; U. C. Joshi

doi:10.1117/12.2560949

13 December 2020 EMPOL: an EMCCD based optical imaging polarimeter

Shashikiran Ganesh, Archita Rai, Aravind K., Alka Singh, Prachi Vinod Prajapati, Ashish Mishra, Prashanth Kasarla, Deekshya Roy Sarkar, Pitamber Singh Patwal, Namita Uppal, Sunil Chandra, Satyanarain Mathur, Amish B. Shah, Kiran S. Baliyan, U. C. Joshi

Author Affiliations +

Proceedings Volume 11447, Ground-based and Airborne Instrumentation for Astronomy VIII; 114479E (2020) https://doi.org/10.1117/12.2560949
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

An Andor 1K x 1K EMCCD detector has been used to develop an optical imaging polarimeter for use at the Cassegrain focus of 1.2 m telescope of PRL. The optics is derived from an older single-element detector instrument and consists of a rotating half-wave plate as modulator and a Foster prism as an analyser. The field of view of the instrument is 3x3 sq arcmin. We describe the instrument and the observational methodology in this document. Extensive observations have been carried out with this instrument covering a large variety of sources e.g. near-Earth asteroids, comets, Lynds dark nebulae, open clusters and AGN such as blazars. In the current communication, we discuss some results from the initial calibration runs while the other results will be presented elsewhere.

Conference Presentation

Citation Download Citation

Shashikiran Ganesh, Archita Rai, Aravind K., Alka Singh, Prachi Vinod Prajapati, Ashish Mishra, Prashanth Kasarla, Deekshya Roy Sarkar, Pitamber Singh Patwal, Namita Uppal, Sunil Chandra, Satyanarain Mathur, Amish B. Shah, Kiran S. Baliyan, and U. C. Joshi "EMPOL: an EMCCD based optical imaging polarimeter", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114479E (13 December 2020); https://doi.org/10.1117/12.2560949

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available