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Zurich Instruments AG - Lock-In Amplifiers 4/24 LB
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Lumencor Inc. - Power of Light 4-24 MR
Meadowlark Optics - Building Systems HP 7/23
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Point Light Sources

With respect to angular subtense, a source of light, such as a star, that is very small. In a lab, a point source may be simulated by imaging a large source onto and through a pinhole, or by focusing a parallel bundle of light, such as that from a laser, with a precise lens to a point image.

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Prizmatix Ltd. - Holon, Israel
Glossary
  • point light source 1. With respect to angular subtense, a source of light, such as a star, that is very small. In a lab, a point source may be simulated by imaging a large source onto and through a pinhole, or by focusing a parallel bundle of light, such as that from...
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