Optical System Design and Optics
Packaging
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Beam Dump
This beam dump is used in a laser angeoplasty unit. A
solenoid-driven semaphore mirror rotates into the beam path and diverts the beam into a
beam dump. The dump's incident surface is matte-finished copper with V grooves
machined into the surface. The energy of the incident beam not absorbed by the
copper is thus reflected against the walls of the cylindrical light trap. The dump
is isolated from the surface of the optics mount by a thin bracket to reduce thermal
distortion of the optics mount.. |
| Laser Texturing Device For Rigid Disks
This is an execution of an optics schematic prepared by another
consultant. The beam from the main IR laser is split four ways to texture both sides
of two disks simultaneously. The beam from a diode laser is duplexed and
retroreflected by the disk as feedback for focusing. This prototype design is
composed of off-the-shelf components. |

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| Optics Head For Laser Texturing Device.
This design is part of a follow-on design of the unit shown above.
The optics head provides the adjustments necessary for final focus. All adjustment
is performed by elastic deformation of the mounts to eliminate all play in the
mechanism. A companion feature is a triangulation range finder designed into
the head to feed back the distance from the optics to the disk surface. |

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Telescope And Illumination System For Viewing
Semiconductor Wafers.
This optics system was designed to view the surface of semiconductor
wafers in a wafer prober using a CCD camera. The optical axis is folded to reduce
the footprint of the machine by allowing the path to fit within the ring carrier plate of
the prober and to position the camera in the vertical plane at the outside edge of the
machine. The illumination system is composed of a ring of LED's with one located
coaxial with the incident path. |
Telescope With Zoom Feature
This telescope is designed with a sleeve containing a helical slot
engaged with a pin holding the second optic. Rotation of the sleeve changes the
distance between the optics. The application was used to adjust the divergence of a
laser beam. |

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While the designs on
this page represent functioning products, several details in each case have been deleted
or altered to protect the client. |
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