434 



PHOTOMECHANICAL CONSIDERATIONS 



< 



< -2 



•10 



■15 



400 



LOW INTENSITY 



HIGH INTENSITY 

 J 1 



450 500 550 



WAVELENGTH IN m^ 



600 



Fig. 1. Absorption spectrum changes in anaerobic bacteria induced by 0.80 /u 

 light. Low intensity ^ 5 x IQ-H einstein cm-2 sec~l. High intensity - 4 x 10~8 

 einstein cm-2 sec"-'-. 



