10 citations
2 papers
physics.optics2008
High accuracy, absolute, cryogenic refractive index measurements of infrared lens materials for JWST NIRCam using CHARMS
Douglas B. Leviton, Bradley J. Frey, Todd Kvamme
The refractive optical design of the James Webb Space Telescope (JWST) Near Infrared Camera (NIRCam) uses three infrared materials in its lenses: LiF, BaF2, and ZnSe. In order to p…
gr-qc2007★ 10 cited
Hestenes' Tetrad and Spin Connections
Frank Reifler, Randall Morris
Defining a spin connection is necessary for formulating Dirac's bispinor equation in a curved space-time. Hestenes has shown that a bispinor field is equivalent to an orthonormal t…