1. AA Sa (2013) Acousto-optic materials.
http://www.acoustooptic.com/acousto-optic-material.html
. Accessed 10 March 2013
2. Chien ST (2004) Waveguide fabrication using proton beam writing. PhD dissertation, National University of Singapore, Singapore
3. Christensen D et al (1992) Comparison of robust coupling techniques for planar waveguide immunosensors. Proc SPIE 1796:20–25
4. Dutton HJR (1998) Understand optical communications. IBM, Research Triangle Park
5. Edmund (2013) Understanding optical specifications.
http://www.edmundoptics.com/technical-resources-center/optics/understanding-optical-specifications/?&pagenum=3
. Accessed 26 Feb 2013