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- Mon Jan 12, 2009 7:28 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Unusual Light Pillars Over Latvia (2009 Jan 12)
- Replies: 176
- Views: 191357
Re: Unusual Light Pillars Over Latvia (2009 January 12)
I have seen this light intensity pattern in a simulation I ran several years ago. I was using Tempest, a light propagation simulator, to create a map of the intensity of light as it passed through a diffraction grating (slitted, not reflecting). I was looking at a cross-section of the grating, and o...