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Arbitrary shaped microlens array laser sintered on glass sheets
Changyi Lai1, Vitor M Schneider
1Corning, Incorporated, Sullivan Park (SP-AR-02-5), Corning, New York 14831, USA.
Applied Optics
|December 17, 2009
Summary
Researchers developed a new laser vitrification technique to create custom-shaped microlens arrays on glass. This method produces crack-free lenses with excellent optical and surface properties.
Area of Science:
- Materials Science
- Optics
- Ceramic Engineering
Background:
- Microlens arrays are crucial for optical systems.
- Fabricating complex microlens shapes with high quality remains challenging.
Purpose of the Study:
- To introduce a novel laser vitrification technique for fabricating arbitrarily shaped microlens arrays.
- To demonstrate the feasibility of producing high-quality, crack-free microlenses on a glass substrate.
Main Methods:
- Utilized laser vitrification of cordierite ceramic powders.
- Applied the technique to a glass substrate for microlens array fabrication.
Main Results:
- Successfully fabricated arbitrarily shaped microlens arrays.
- Demonstrated crack-free semispherical and quasi-spherical lenses.
- Achieved good optical and surface quality in the fabricated lenses.
Conclusions:
- Laser vitrification is an effective method for producing custom microlens arrays.
- The technique offers a promising route for advanced optical component manufacturing.
