|  | 
         
          | Description: 
             This miniature spectrometer, 
            shown in front of a pea, could help fit more signals into telecommunications 
            channels. |   
          | Source: 
             Svenja Knappe/NIST |   
          | Story:  Micro 
            spectrometer TRN May 14/21, 
            2007
 |   
          | TRN Categories: 
             Optical Computing, Photonics 
            and Optoelectronics |   
          | Form: 
             Still |  |