Dr. Stephen F. Somerstein Profile

Dr. Stephen F. Somerstein

Retired

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 29 September 2011 Paper

NIRCam coronagraphic Lyot stop: design, fabrication, and testing

Yalan Mao, Torben Andersen, Tracy Kubo, Miguel Virgen, Henry Chan, Greg Feller, Lynn Huff, Eric Smith, Gopal Vasudevan, Steve Somerstein, Tom Jamieson, Scott Horner, John Krist, Charles Beichman, Carmen Barone, Ron Schmidt, Donna Levin, Steve Seymour, Douglas Kelly, Marcia Rieke

Proceedings Volume 8150, 81500E (2011) https://doi.org/10.1117/12.896451

KEYWORDS: Coronagraphy, Point spread functions, James Webb Space Telescope, Absorbance, Optical filters, Image filtering, Ferroelectric LCDs, Staring arrays, Coating, Silicon

Read Abstract +

Proceedings Article | 20 August 2009 Paper

The JWST/NIRCam coronagraph: mask design and fabrication

John Krist, Kunjithapatham Balasubramanian, Charles Beichman, Pierre Echternach, Joseph Green, Kurt Liewer, Richard Muller, Eugene Serabyn, Stuart Shaklan, John Trauger, Daniel Wilson, Scott Horner, Yalan Mao, Stephen Somerstein, Gopal Vasudevan, Douglas Kelly, Marcia Rieke

Proceedings Volume 7440, 74400W (2009) https://doi.org/10.1117/12.826448

KEYWORDS: Coronagraphy, James Webb Space Telescope, Stars, Halftones, Telescopes, Diffraction, Coating, Photomasks, Sapphire, Light scattering

Read Abstract +

Proceedings Article | 12 July 2008 Paper

Cryogenic pupil alignment test architecture for the James Webb Space Telescope integrated science instrument module

Brent Bos, David Kubalak, Scott Antonille, Raymond Ohl, John Hagopian, Pamela Davila, Joseph Sullivan, Michael Sánchez, Derek Sabatke, Robert Woodruff, Maurice te Plate, Clinton Evans, Victor Isbrucker, Stephen Somerstein, Martyn Wells, Samuel Ronayette

Proceedings Volume 7010, 70103C (2008) https://doi.org/10.1117/12.789808

KEYWORDS: James Webb Space Telescope, Mirrors, Sensors, Observatories, Optical components, Reflectivity, Cryogenics, Stray light, Beam splitters, Infrared telescopes

Read Abstract +

Proceedings Article | 19 September 2007 Paper

Hunting planets and observing disks with the JWST NIRCam coronagraph

John Krist, Charles Beichman, John Trauger, Marcia Rieke, Steve Somerstein, Joseph Green, Scott Horner, John Stansberry, Fang Shi, Michael Meyer, Karl Stapelfeldt, Thomas Roellig

Proceedings Volume 6693, 66930H (2007) https://doi.org/10.1117/12.734873

KEYWORDS: Coronagraphy, Stars, Planets, James Webb Space Telescope, Point spread functions, Wavefronts, Telescopes, Space telescopes, Sensors, Diffraction

Read Abstract +

Proceedings Article | 6 July 2006 Paper

Analysis for method of creating thin film masks of arbitrarily varying transmittance

Catherine Boone, Martina Reale, Stephen Somerstein

Proceedings Volume 6273, 627320 (2006) https://doi.org/10.1117/12.673005

KEYWORDS: Linear filtering, Manufacturing, Apodization, Transmittance, Coronagraphy, Diffraction, Image filtering, Thin films, Stars, Chemical elements

Read Abstract +

Proceedings Article | 15 June 2006 Paper

Study of coronagraphic techniques

Volker Tolls, Michael Aziz, Robert Gonsalves, Sylvain Korzennik, Antoine Labeyrie, Richard Lyon, Gary Melnick, Ruth Schlitz, Steve Somerstein, Gopal Vasudevan, Robert Woodruff

Proceedings Volume 6265, 62653K (2006) https://doi.org/10.1117/12.672647

KEYWORDS: Coronagraphy, Manufacturing, Speckle, Sensors, Scanners, Absorbance, Microelectromechanical systems, Beam propagation method, Observatories, Ion beams

Read Abstract +

Proceedings Article | 5 October 2005 Paper

Study of high-performance coronagraphic techniques

Volker Tolls, Michael Aziz, Robert Gonsalves, Sylvain Korzennik, Antoine Labeyrie, Richard Lyon, Gary Melnick, Steve Somerstein, Gopal Vasudevan, Robert Woodruff

Proceedings Volume 5905, 59051M (2005) https://doi.org/10.1117/12.639422

KEYWORDS: Speckle, Coronagraphy, Photomasks, Manufacturing, Planets, Mirrors, Spherical lenses, Ion beams, Wavefronts, Device simulation

Read Abstract +

Proceedings Article | 25 August 2005 Paper

Some performance results from NIRCam’s coronagraphic prototype masks

Gopal Vasudevan, Martina Reale, Stephen Somerstein

Proceedings Volume 5904, 590408 (2005) https://doi.org/10.1117/12.617813

KEYWORDS: Coronagraphy, James Webb Space Telescope, Prototyping, Binary data, Beam propagation method, Cameras, Observatories, Wave propagation, Near infrared, Space operations

Read Abstract +

Proceedings Article | 25 August 2005 Paper

NIRCam optical calibration sources

Stephen Somerstein, Glen Truong

Proceedings Volume 5904, 590407 (2005) https://doi.org/10.1117/12.615291

KEYWORDS: Cameras, Light emitting diodes, Projection systems, Lamps, Optical filters, James Webb Space Telescope, Coronagraphy, Sensors, Tungsten, Optical filtering

Read Abstract +

Showing 5 of 9 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years