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.
Entry-level Cardiovascular Technologists who starts out at $37670 can expect to make $54880 after 3-5 years of experience in the field. The bottom 10% makes less than $13.66 per hour while the top 10% makes over $41.91 per hour. While the median wage is $54880 per annum or $26.38 per hour.