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.
Salary Outlook. HR training specialists earned a median salary of $56,850 in 2013, according to the BLS. The highest-paid 10 percent earned $95,600, while the lowest-paid 10 percent earned $32,190.he highest paid in the hr specialist profession work in the metropolitan areas of Oakland, California, San Jose, California, and San Luis Obispo, California. The Decatur, Alabama area also pays well, as does the city of Fayetteville, North Carolina.