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2. Optical manufacturing and testing - Wikipedia

   en.wikipedia.org/wiki/Optical_manufacturing_and...

   Inexpensive lenses may have deviations of form as large as several wavelengths (λ, 2λ, etc.). More typical industrial lenses would have deviations no larger than a quarter wavelength (λ/4). Precision lenses for use in applications such as lasers, interferometers, and holography have surfaces with a tenth of a wavelength (λ/10) tolerance or ...

3. Precision glass moulding - Wikipedia

   en.wikipedia.org/wiki/Precision_glass_moulding

   The lenses are first cleaned, and then loaded into a fixture. The fixture, containing a large number of lenses, is placed in the coating machine. After finishing the process the glass lenses are removed from the holder and the holder is cleaned by sand-blasting or other techniques.

4. Optical glass - Wikipedia

   en.wikipedia.org/wiki/Optical_glass

   Optical glass refers to a quality of glass suitable for the manufacture of optical systems such as optical lenses, prisms or mirrors.Unlike window glass or crystal, whose formula is adapted to the desired aesthetic effect, optical glass contains additives designed to modify certain optical or mechanical properties of the glass: refractive index, dispersion, transmittance, thermal expansion and ...

5. Smartglasses - Wikipedia

   en.wikipedia.org/wiki/Smartglasses

   The lenses of smart sunglasses can be manufactured out of multiple adaptive cells, therefore different parts of the lens can exhibit different optical properties. For example, the top of the lens can be electronically configured to have different polarization filter characteristics and different opacity than the lower part of the lens.

6. List of lens designs - Wikipedia

   en.wikipedia.org/wiki/List_of_lens_designs

   This list covers optical lens designs grouped by tasks or overall type. The field of optical lens designing has many variables including the function the lens or group of lenses have to perform, the limits of optical glass because of the index of refraction and dispersion properties, and design constraints including realistic lens element center and edge thicknesses, minimum and maximum air ...

7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. Optical engineering - Wikipedia

   en.wikipedia.org/wiki/Optical_engineering

   The optical system of the ELT showing the location of the mirrors. [1]Optical engineering is the field of engineering encompassing the physical phenomena and technologies associated with the generation, transmission, manipulation, detection, and utilization of light. [2]

9. ESPN's 'Around the Horn' coming to an end in 2025 - AOL

   www.aol.com/reports-espns-around-horn-coming...

   "Around the Horn" host Tony Reali, left, attends a 2014 ESPN event in New York with frequent panelist Tim Cowlishaw.