Hi,   
      
   I try to couple laser beam into a very thin planar waveguide (guiding layer   
   width w = 550 nm). I have to use light with wavelength from 900 nm to 1000 nm.   
   My question is connected with coupling method. Do you think that end-face   
   coupling can give good results ?   
   Maybe someone have simmilar experiences :)   
   I will be gratefull for any suggesions.   
   Andrew   
      
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