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What cameras can do for you… and how they do it!
Kris Clark
Girls Who Build - Cameras
June 4, 2016
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Girls who Build Cameras- 2 KEC 06/04/2016
• A very small bit about me • What is a camera? • What can cameras do? • What can you do with cameras?
Outline
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Girls who Build Cameras- 3 KEC 06/04/2016
How I got here..
Billerica Memorial High School logo is a trademark of Billerica Public Schools. Tufts University logo is a registered trademark of Tufts University.
This image is in the public domain.
Map of Massachusetts is in the public domain.
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Girls who Build Cameras- 4 KEC 06/04/2016
A camera is an optical instrument for recording or capturing images
Two basic components needed: Something to focus energy Something to detect/record energy
What is a camera?
detector
image
Image by MIT OpenCourseWare.
f
Light Lens
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Girls who Build Cameras- 5 KEC 06/04/2016
The Simplest Camera
Pinhole Camera This image is in the public domain.
Image by Pbroks13 on Wikimedia. This image is in the public domain.
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Girls who Build Cameras- 6 KEC 06/04/2016
Phone camera – Multiple lenses Eyes are a great example – Digital detector – Lens focuses light onto retina– Software for image processing – Retina detects light
– Brain does image processing
Can you give examples of other cameras?
Some Camera Examples
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Courtesy of Holly Fischer. CC BY.
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Girls who Build Cameras- 7 KEC 06/04/2016
Cameras – they are not just for the visible!
Image via NASA/IPAC. This image is in the public domain.
Image via the Space Telescope Science Institute and NASA. This image is in the public domain.
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Girls who Build Cameras- 8 KEC 06/04/2016
• Medical imaging (PillCam)
• Homeland Security (Security Cameras)
• Traffic Regulation (Traffic Cameras)
• Weather sensing (Radar Imaging)
• Space Exploration (Telescope Imaging)
Other Examples
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Girls who Build Cameras- 9 KEC 06/04/2016
• We’ve talked about several examples • Cameras are used in many ways in many industries • I’d like to show you the camera system on my current
program…TESS
What can cameras do?
Courtesy of NASA/Goddard Space Flight Center. This image is in the public domain.
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TESS- 10 KEC 11/06/15
Transiting Exoplanet Survey Satellite (TESS)
TESS Goal: Find the Nearest Earth-Like Planets
• NASA Explorer Mission –December 2017 Launch –2 year mission
Image courtesy of MIT Lincoln Laboratory, NASA, and MIT Kavli Institute. Used with permission.
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TESS- 11
KEC 11/06/15
Transit Method
Image courtesy of MIT Lincoln Laboratory, NASA, and MIT Kavli Institute. Used with permission.
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TESS- 12 KEC 11/06/15
TESS Orbit and Sky Coverage
TESS Orbit
Earth
Moon
24°x 96° Coverage
• Highly Elliptical Orbit – 2 orbits for every moon orbit • Wide field-of-view and step stare observing provide near full sky coverage
Image courtesy of MIT Lincoln Laboratory, NASA, and MIT Kavli Institute. Used with permission.
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TESS- 13 KEC 11/06/15
TESS Orbit and Sky Scan
Image courtesy of MIT Lincoln Laboratory, NASA, and MIT Kavli Institute. Used with permission.
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TESS- 14 KEC 11/06/15
TESS Camera Design
TESS is a sensitive light collector, not a high definition imager, and
operates in a very cold environment
Detector
– 4096 x 4096 pixels
– Silicon CCD
– 400 - 1000 nm
Lens
– Seven Elements
– Different glasses
– 500 - 1000 nm
Image courtesy of MIT Lincoln Laboratory, NASA, and MIT Kavli Institute. Used with permission.
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TESS- 15 KEC 11/06/15
TESS Piece of the Exoplanet Puzzle
James Webb Space Telescope (JWST)
– Atmospheric characterization of exoplanets
TESS – Provide catalog of exoplanets
for further observation
Kepler – Estimate statistical population of
exoplanets
Image courtesy of MIT Lincoln Laboratory, NASA, and MIT Kavli Institute. Used with permission.
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Girls who Build Cameras- 16 KEC 06/04/2016
• So many types of cameras • Used in so many fields • Chances are understanding cameras will help you in whatever
field you choose • If you really get into it – you could design new types of cameras
and figure out how to build them for use in the real world.
What can you do with cameras?
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Girls who Build Cameras- 17 KEC 06/04/2016
What you can do with cameras right now…
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MIT OpenCourseWarehttps://ocw.mit.edu
Resource: Girls Who Build CamerasKristen Railey, Bob Schulein, Olivia Glennon, Leslie Watkins, Alex Lorman, Carol Carveth, Sara James
The following may not correspond to a particular course on MIT OpenCourseWare, but has been provided by the author asan individual learning resource.
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