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U.S. Department of Energy
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Kinoform/lens system for injecting a high power laser beam into an optical fiber

Conference ·
OSTI ID:10194782
 [1];  [2]
  1. Sandia National Labs., Albuquerque, NM (United States)
  2. Massachusetts Inst. of Tech., Lexington, MA (United States). Lincoln Lab.

A method for injecting a high peak power multimode YAG laser beam into an optical fiber has been developed. The design minimizes the peak irradiance on the fiber`s entrance face and reduces its dependence on the laser`s mode structure and the system alignment. A simple lens and a specially designed kinoform (or binary optics element) operate together to transform a 5 mm diameter laser beam into two concentric ring foci that fit on the 400 {mu}m diameter fiber face.

Research Organization:
Sandia National Labs., Albuquerque, NM (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC04-94AL85000
OSTI ID:
10194782
Report Number(s):
SAND--93-2144C; CONF-931054--1; ON: DE94003226; BR: GB0103012
Country of Publication:
United States
Language:
English

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