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.
The PMP is a widely recognized credential that paid an average salary in the $70,000 to $90,000 range in major metro areas as of the 2007 Certification Salary Survey in Certification Magazine (expect somewhat less in lower-paying markets like Charlottesville or Richmond, however).he PMP is a widely recognized credential that paid an average salary in the $70,000 to $90,000 range in major metro areas as of the 2007 Certification Salary Survey in Certification Magazine (expect somewhat less in lower-paying markets like Charlottesville or Richmond, however).