Description  Claims  Drawing  Cited references 

US20100321767A1   [0002] 
US20030147122A1   [0002] 
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WO2013078215A1   [0002] 
US2011019701A1   [0002] 

Optics Express   [0002] 
Optics Express   [0002] 
Optics Letters   [0002] 
Appl. Phys. B   [0002]