Abstract
The dependence of the negative nonlinear absorption effect on the modulation degree and frequency was investigated in an erbium chloride solution using a 807.6 nm laser diode. The reverse-phased wave forms were obtained in the transmitted wave form for sample lengths greater than 6 cm. Though the reverse-phased wave form was observed symmetrically at modulation frequency of 0.1 MHz, they were asymmetrical at higher than 0.25 MHz. The effect has a characteristic which is almost independent of the state of erbium ions because it is formed by optical transitions of the inner shell of the erbium atom.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
