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Cutting Mechanics and Manufacture of Optics for Imaging Applications
Title
Cutting Mechanics and Manufacture of Optics for Imaging Applications
Author
Troutman, John
Date Created
2016
Subjects--Topical
Mechanical engineering, Optics
Description
Ultraprecision diamond machining enables physical realization of freeform surfaces of nearly arbitrary complexity through turning and milling processes. Achievable form accuracies make diamond machining a viable alternative to conventional techniq...
FUNDAMENTALS OF MATERIAL REMOVAL IN SILICON CARBIDE FOR FREEFORM OPTICS
Title
FUNDAMENTALS OF MATERIAL REMOVAL IN SILICON CARBIDE FOR FREEFORM OPTICS
Author
Shanmugam, Prithiviraj
Date Created
2019
Subjects--Topical
Mechanical engineering
Description
The mechanical and thermal properties offered by Silicon carbide (SiC) make it an ideal material for reflective freeform optics. However, the hardness, brittleness and fracture toughness of the material pose a challenge to manufacturing. The manuf...
REPLICATION OF FREEFORM OPTICS ONTO NEAR-NET-SHAPE SUBSTRATES USING DIAMOND TURNED STAMPERS
Title
REPLICATION OF FREEFORM OPTICS ONTO NEAR-NET-SHAPE SUBSTRATES USING DIAMOND TURNED STAMPERS
Author
Smith, Glen
Date Created
2019
Subjects--Topical
Mechanical engineering
Description
Freeform optics open a new design space for optical systems. Production of freeform optics, with no axis of rotational symmetry, often requires the use of multi-axis (>2) sub aperture machining and finishing techniques. These are expensive and imp...