Of course, there are two possible senses of rotation of circularly polarized light: right and left. If the slow axis of the quarter wave sheet is at -45Â° to the axis of the polarizer you get circular polarization of the opposite sense compared to what you get if it's oriented at +45Â°.
A credential specialist working in the United States earns an average of $13.82 to $17.91 per hour, or $29,796 to $39,988 annually, according to Payscale, as of September 2010.
PayScale.com reported that medical billing specialists with medical billing and coding certification made a median wage of $32,211 in January 2014. Medical billing specialists who earned their credential as a Certified Professional Coder (CPC) made $31,253-$58,500 as of January 2014, according to PayScale.com.