PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
A great deal of research has been performed on refractive index n and extinction coefficient k due to varieties of applications in optical industries. The dispersion equation is described for the photons of varying energies and their interactions with materials since there is a strong correlation of n and k with wavelength. Measurements based on reflectance can be expensive and are very difficult due to compositional variations. We present a low-cost reflectance probe fiber optics designed in-house to determine the absorption coefficients and refractive index of solids. The solutions using a modified Beer-Lamberts Law and merging the concentration and extinction coefficient terms into an absorption coefficient, α, can be given by the equation I = I0 exp (-α* d) where I is the transmitted intensity, I0 is incident intensity and d is the thickness. We have experimented with several semiconductor compounds for this study.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
The alert did not successfully save. Please try again later.
Brett Setera, Bradley Arnold, Fow-Sen Choa, Lisa Kelly, Ian Emge, Charmain Su, Krishna S. Machuga, N. B. Singh, "Design and measurements of n for the multicomponent semiconductor," Proc. SPIE 11498, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XIV, 1149803 (20 August 2020); https://doi.org/10.1117/12.2566997