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 Wed Feb 6 20:19:52 2013, Manasa, Update, Optics, G&H and LaserOptik mirrors
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 Thu Feb 7 14:10:25 2013, Manasa, Update, Optics, LaserOptik - AR Reflectivity - Bad data 
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Fri Feb 8 21:14:52 2013, Manasa, Update, Optics, G&H - AR Reflectivity
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Fri Feb 8 22:49:31 2013, Koji, Update, Optics, G&H - AR Reflectivity
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Fri Feb 8 23:04:40 2013, Manasa, Update, Optics, G&H - AR Reflectivity
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Sat Feb 9 19:34:34 2013, rana, Update, Optics, G&H - AR Reflectivity
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Mon Feb 11 19:55:47 2013, Manasa, Update, Optics, G&H - AR Reflectivity
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Wed Feb 13 09:28:56 2013, Steve, Update, Optics, G&H - HR plots
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Message ID: 8047
Entry time: Fri Feb 8 23:04:40 2013
In reply to: 8046
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| Author: |
Manasa |
| Type: |
Update |
| Category: |
Optics |
| Subject: |
G&H - AR Reflectivity |
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| Quote: |
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D = 2 d Tan(\phi) Cos(\theta), where \phi = ArcSin(Sin(\theta) * n)
\theta is the angle of incidence. For a small \theta, D is propotional to \theta.
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n1Sin(\theta1) = n2 Sin(\theta2)
So it should be
\phi = ArcSin(Sin(\theta) / n
I did check the reflected images for larger angles of incidence, about 20 deg and visibly (on the IR card) I did not see much change in the separation. But I will check it with the camera again to confirm on that. |