Optical Lens Selection for 612nm Laser Source

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  • Thread starter Thread starter csocean
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SUMMARY

The discussion focuses on selecting an appropriate lens system for a 612nm laser source, specifically for capturing diffraction patterns from a crystal with a diameter of up to 150µm. The setup involves using non-reflective glass and requires the lens to focus the pattern onto a 7x9mm CCD sensor while minimizing aberrations and distortions. The suggestion of employing a reflecting ellipsoid lens is presented as a potential solution, prompting a request for guidance on its setup.

PREREQUISITES
  • Understanding of optical systems and lens types
  • Familiarity with laser optics, specifically at 612nm wavelength
  • Knowledge of diffraction patterns and their implications in optical design
  • Basic principles of aberration correction in lens systems
NEXT STEPS
  • Research the specifications and applications of reflecting ellipsoid lenses
  • Learn about minimizing optical aberrations in lens design
  • Explore spatial filtering techniques for laser applications
  • Investigate CCD sensor requirements for optimal image capture
USEFUL FOR

Optical engineers, laser technicians, and anyone involved in designing optical systems for laser applications will benefit from this discussion.

csocean
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Hi,

I'm trying to set up a lens system as follows:

- Laser source 612nm
- This passes through an apature to act as a spatial filter...
- then through non-reflective glass onto a crystal of diameter upto 150um
- the lens must then take the diffraction pattern from this crystal upto 50 degrees from the optical axis and focus onto a 7x9mm CCD

I have looked though a couple of catalouges and spoken to some people, but I keep having different terminology and jargon thown at me, and since my optics understanding is limited, I was hoping someone might guide me into how to make the right choice of lens. How do I minimise the abberations/distortions/other possible elements of error!

Thanks!
 
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Ok, now I've been presented with the idea of using a reflecting ellipsoid... can anyone give me some pointers on how to set it up?
 

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