Advanced CT Laser Collimator

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Since the invention of the Cassegrain Telescope in 1672 by the French sculptor Sieur Guillaume Cassegrain, the Cassegrain Telescope has evolved into various derivative designs such as the more popular Ritchey-Chrétien, Dall-Kirkham, Schmidt-Cassegrain, and Maksutov-Cassegrain. The designs have gained their popularity because of their compact and simple to produce design. With different designs, star collimation is and has always been the only effective collimation method for Cassegrain telescope owners.

Now, both the professional and amateur astronomers have an alternative to achieving excellent collimation conveniently using the Advanced Cassegrain Telescope Laser Collimator. The Advanced CT Laser Collimator brings the collimating star to your telescope within arm reaching distance. With its short range calibration capability, you can perform collimation indoors - day or night - without being subjected to weather conditions and stable tracking system. And best of all, this new collimator utilizes a clear and simple-to-read, large target display for a real-time telescope alignment diagnostic without major change in the final view focus setting.

The new patented optical alignment technology used in the Advanced CT Laser Collimator achieves the same rough alignment function of a costly large aperture interferometer commonly use in high-energy labs at a fraction of its cost. The laser collimator utilizes three evenly spaced and collimated lasers to diagnose all optical elements in your telescope. Three parallel laser beams projecting behind the target simulate a large aperture light beam (flat-wavefront) from a distant star entering the collimating telescope. The laser beams double-pass all the telescope’s optical elements from a reflector mirror installed at the prime focus doubling the calibration resolution. The reflected lasers from the reflector mirror project on the target which provide an accurate real-time diagnose of the alignment status of the entire optical train in the telescope. This innovative collimation technology enables the astronomer achieving far-field collimation as a near-field process. The collimator is a dream come true optical calibration instrument for all astronomers.

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  • ABOUT THE ENTRANT

  • Name:
    David Ho
  • Type of entry:
    individual
  • Profession:
    Inventor
  • Number of times previously entering contest:
    never
  • David's hobbies and activities:
    astronomy, R&D laser devices
  • David belongs to these online communities:
    hotechusa.com, facebook
  • David is inspired by:
    feedback from talking with astronomers and scientists in the field.
  • Patent status:
    patented