Optical Engineering is at the core of what we do. If light is used
in a product for sensing, imaging, illumination, or therapy, we
can bring value to the product's development and production.
Our optical engineering services include:
Lens Design
Using Zemax ray tracing software, we design all kinds of lenses.
Most lenses are used to form or transfer an image of some kind.
Designs can incorporate refractive, reflective, or diffractive elements.
There can be a single element or sixty. Elements can be made of
glass, plastic, crystal or a mixture of these. They can range in
size from 0.25mm to 250mm across. We can access a comprehensive
database of existing lens designs to provide advanced starting points
and avoid patent infringement. We can use online libraries of catalog
optics to facilitate design with off-the-shelf parts and speed time
to market. Optical coatings may be applied to element surfaces to
reduce reflections, enhance reflections, polarize the light, or
pass only certain wavelengths.
Illumination Design
Using ASAP or TracePro non-sequential raytracing programs, we design
many kinds of illumination systems. Systems generally include a
light source and beam forming optics. Light sources include LEDs;
lasers; all kinds of lamps; and photo-, chemi-, or electro-luminescent
materials. Beam forming optics include lenses, prisms, faceted reflectors,
light pipes, optical fibers, diffusers, and beamsplitters. The goal
is generally to collect as much light as possible from the source
and direct it onto a target with suitable intensity and uniformity.
Ray Trace
Detection
Optical detectors are used to convert light into electrical signals.
They may operate in the UV, visible, or infrared regions of the
electromagnetic spectrum. They may have a single "pixel"
(picture element), or millions. Some detectors are used just to
determine whether light is present. Some determine the level of
the light. Some measure the spectral (color) components of the light.
Others, such as CCD imagers, determine the spatial components of
the light.
System Engineering
This is the integration of many optical components into a complete,
functioning opto-mechanical or electro-optical system. The components
may include imaging optics, illumination optics, and detection.
These may be mounted in an enclosure suitable for medical sterilization,
extreme temperatures, or vacuum. Tolerance studies are done to insure
that optical performance is always achieved using a known set of
optical and mechanical tolerances. Electronic circuits and software
may be incorporated to control the system or perform measurements.
Prototyping
We have working relationships with an array of optical fabricators
and coaters in the US, Europe and Far East. We source each component
from a qualified supplier. We have access to rapid optical prototyping
which can greatly reduce lead times (for a price).
Sourcing
Assembly & Testing
Our optics lab is equipped with optical tables, laminar flow bench,
mounts, detectors, variety of lasers and light sources, integrating
spheres, filter sets, bench lenses, radiometers, UV/vis/NIR spectrometers,
and image acquisition and analysis system. We generally assemble
and test all our optical systems. Testing may include transmission,
spectral analysis, MTF, resolution, illumination parameters, field
of view, signal-to-noise ratios, and many other parameters. If needed,
we also have access to the most advanced interferometry, profilometry
and electron microscopy.