fig 1 (IMAGE) Compuscript Ltd Caption Figure 1. Light field enhancement in a ~1m thick Si film at normal incidence and at long 1m wavelength. Light’s electrical E-field is enhanced up to 6 times due to interference of the horizontally propagating light inside Si patterned with the ~1.3m period of inverted pyramidal photonic crystal pattern. Credit OEA Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.