Recent content by phi_skr

  1. phi_skr

    A Question about detector and lens

    Thanks a lot. My understanding is better now. Actually, this is the system. From what I understand, the rays from the soure/sample should be collimated before it hits the slit and most light should pass through the slit. In that case, there should be collimation part between beam splitter and...
  2. phi_skr

    A Question about detector and lens

    Thanks a lot (^_^) If you don't mind, would you please recommend me a book to understand optics better for practical applications like making optical systems for experiments? I am having a hard time with it experimentally:(
  3. phi_skr

    A Question about detector and lens

    Thanks for your response. Actually, in our system, collimated light is incident on the sample and then, reflection from the sample is used for imaging. So, I was confused whether the reflection rays from sample is also collimated or not. If these reflected rays aren't collimated, then should we...
  4. phi_skr

    A Question about detector and lens

    Thanks a lot for your answer. It clears some of my doubts. But I am bit confused here. The collimating light in the picture is falling on imaging lens and focuses on the slit. Inside a typical spectrometer, there are already some collimating mirrors and gratings that help differentiate the...
  5. phi_skr

    What are the latest developments in nanotech device experiments?

    Hi, I am a physics graduate student focusing on experiment related to nanotech devices.
  6. phi_skr

    A Question about detector and lens

    Light from the sample is collimated light. For imaging, does the spectrometer requires a lens to focus the collimated light on the entrance slits of the detector. Using the beam splitter, the collimated light from the sample is directed toward the spectrometer. Previously, we used a lens to...
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