Abstract
Convex microlenses of glass have been fabricated on oxide-glass fiber ends by use of a photolithographic technique. film evaporated on the end surface of an optical fiber is exposed to light through the opposite end surface, and the film etching is observed under a microscope. This process produces a lens that is automatically positioned on the fiber core. The film possesses a high refractive index, which is favorable for production of microlenses with short focal lengths of .
© 2000 Optical Society of America
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