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Bayer Filter Pattern on CCD (600X)

Seen here is the Bayer pattern on a small video CCD. The repeating pattern is:

 

Blue---Green

....|.........|.....

Green---Red

 

This photo was quite difficult to take for several reasons:

-CCDs are opaque, so conventional pass-through light microscopy wouldn't work.

-Lighting the microlenses required a ton of light from several directions.

-Focusing the microlenses correctly at 600X was insanely difficult.

-Getting the color to show up properly was very tricky (white balancing was critical).

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Taken on March 3, 2010