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Acta Physica Sinica (Overseas Edition), 1996, Vol. 5(5): 354-364    DOI: 10.1088/1004-423X/5/5/005
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

DESIGN OF DIFFRACTIVE-PHASE AXICON ILLUMINATED BY A GAUSSIAN-PROFILE BEAM

ZHANG GUO-QING (张国庆), DONG BI-ZHEN (董碧珍), YANG GUO-ZHEN (杨国桢), GU BEN-YUAN (顾本源)
Institute of Physics, Academia Sinica, Beijiag 100080, China
Abstract  The diffractive-phase axicon can convert the Gaussian-profile beam into axial uniform intensity distribution with long focal depth and high lateral resolution. Two types of phase-retardation functions for the nonuniform-illuminating axicon are derived in terms of the ray tracing and the geometrical law of energy conservation. Based on the general theory of the amplitude-phase retrieval in optical system and the iteration algorithm, the optimization design of the phase distribution of the diffractive-phase axicon can be achieved. The simulation celculations show that the new approach may successfully offer the design of the desired diffractive-phase axicon with long focal depth and high lateral resolution. A comparison of the performances of the holographic axicon with the phase-retardation functions from the geometrical optics prediction and the diffractive-phase axicon designed by the new approach is also presented.
Received:  15 June 1995      Accepted manuscript online: 
PACS:  42.79.Bh (Lenses, prisms and mirrors)  
  42.60.Jf (Beam characteristics: profile, intensity, and power; spatial pattern formation)  
  42.15.Dp (Wave fronts and ray tracing)  
  42.15.Eq (Optical system design)  
  42.40.Eq (Holographic optical elements; holographic gratings)  
Fund: Project supported by the National Natural Science Foundation of China and supported in part by Grant LWTZ-1298 of the Chinese Academy of Sciences.

Cite this article: 

ZHANG GUO-QING (张国庆), DONG BI-ZHEN (董碧珍), YANG GUO-ZHEN (杨国桢), GU BEN-YUAN (顾本源) DESIGN OF DIFFRACTIVE-PHASE AXICON ILLUMINATED BY A GAUSSIAN-PROFILE BEAM 1996 Acta Physica Sinica (Overseas Edition) 5 354

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