The filter wheel system for the x-ray spectrometer onboard Astro-E2
The fine structure of the vortex-beams in the biaxial and biaxially-induced birefringent media caused by the conical diffraction
The first balloon flight and accelerator calibration of the scintillating optical fiber isotope experiment
The First Diffraction-Limited Images from the W. M. Keck Telescope
The First Laser Guide Star Adaptive Optics Observations of the Galactic Center
The first light of a single-stage MEMS x-ray optic
The first light of Beijing infrared array camera.
The first light of the Infrared Imaging Magnetographat Big Bear Solar Observatory
The First Light of the World's First Silicon Grisms
The first observations of stars using the Graf-1 adaptive telescope
The First Spatially Resolved Mid-IR Spectra of Binaries with Adaptive Optics
The First Years of Optics in Mexico and the role of the Boletín de los Observatorios de Tonantzintla y Tacubaya on its development
The Flagstaff Star Party Model for Using Galileoscopes: Evaluation Report
The flat-field Mersenne-Schmidt
The flight hardware and ground system for Hubble Space Telescope astrometry
The fluctuations of 27-day periodicities of the total ozone content at middle latitudes
The Fluids and Combustion Facility Combustion Integrated Rack and The Multi-User Droplet Combustion Apparatus: Microgravity Combustion Science Using A Modular Multi-User Hardware
The Fluorescence Detector of the Pierre Auger Observatory
The Focusing Optics X-ray Solar Imager (FOXSI)
The Focusing Optics X-ray Solar Imager (FOXSI)