A Virtual Retinal Display For Augmenting Ambient Visual Environments

by Michael Tidwell

LIST OF FIGURES

• 2.1 Retinal Scan
• 2.2 Ocular Media Transmittance
• 3.1 Representation of Retinal Illuminance from Displays and Ambient Scenes
• 4.1 Real Image Formation
• 4.2 Virtual Image Formation
• 4.3 CRT Imaging in a See-through Helmet Mounted Display
• 6.1 Virtual Retinal Display Block Diagram
• 6.2 Retinal Raster Scan
• 6.3 Resolution, Field of View, and Mirror Diameter for an MRS with 4.0 [deg.] Optical Deviation
• 6.4 Resolution, Field of View, and Mirror Diameter for an MRS with 6.0 [deg.] Optical Deviation
• 6.5 Resolution, Field of View, and Mirror Diameter for an MRS with 8.0 [deg.] Optical Deviation
• 6.6 Resolution, Field of View, and Mirror Diameter for an MRS with 10.0 [deg.] Optical Deviation
• 6.7 Resolution, Field of View, and Mirror Diameter for an MRS with 12.0 [deg.] Optical Deviation
• 7.1 System Block Diagram
• 7.2 Acoustic Grating in an Acousto-Optic Modulator
• 7.3 Fiber Coupling
• 7.4 Gaussian Beam Behavior near Beam Waist
• 7.5 Mechanical Resonant Scanner
• 7.6 MRS/Galvanometer Scanner Assembly with Undeflected MRS
• 7.7 MRS/Galvanometer Scanner Assembly with Deflected MRS
• 7.8 Viewing Optics
• 8.1 Experimental Setup for Video Electronics
• 8.2 Gain and Bandwidth Results for Video Electronics
• 8.3 Experimental Setup for Acousto-optic Modulators
• 8.4 Relative Modulation Bandwidth Results for Acousto-optic Modulators
• 8.5 Experimental Setup for Diode Laser
• 8.6 Relative Modulation Bandwidth Results for Diode Laser
• 8.7 Experimental Setup for Display Brightness
• 8.8 Display Radiometric Output Power for Red Diode Laser
• 8.9 Display Radiometric Output Power for blue Argon and Green HeNe Lasers
• 8.10 Diagram of Vertical Field of View Measurement
• 8.11 Representation of Adjacent Spot in Vertical Resolution Test
• 8.12 Text Displayed for Text Acuity Test
• A.1 Photograph of Fiber Coupling Scheme
• A.2 Photograph of Mechanical Resonant Scanner with a Quarter
• A.3 Photograph of Scanner Assembly
• A.4 Side View Photograph of Person Viewing the See-through Display
• A.5 Frontal View Photograph of Person Viewing the See-through Display
• A.6 Oblique View Photograph of the See-through Viewing Optics