Optical Engineering Services LLC

Optical Engineering Services LLC We design optical systems, lenses and mirrors for Illumination, visibility sensing, spectroscopy, fluorescence, clinical testing, laser scanning etc.

We are a small optical design company that will respond rapidly and with commitment to your project. We have wide experience in the design of optical instruments for the commercial market as well as custom designs for government contracts. Our strength is our broad experience with instrumentation for a wide variety of technologies. If you have a problem we may have already seen several methods for

it's solution or even devised one ourselves. We are affordable and will give your project our immediate attention.

PATENT 9,132,448 GRANTED SEPTEMBER 15, 2015John Gunter and Jerry Kremen put their heads together to improve the existing...
10/11/2015

PATENT 9,132,448 GRANTED SEPTEMBER 15, 2015

John Gunter and Jerry Kremen put their heads together to improve the existing design of a coating curing system. John filed a patent application for the new design which was granted in September.

Good work John and Jerry.

SPOT SIZE OF AN F-THETA LASER SCANNERThis shows the spot diameter of the f-Theta scanner beam at the work plane. It is ...
10/11/2015

SPOT SIZE OF AN F-THETA LASER SCANNER

This shows the spot diameter of the f-Theta scanner beam at the work plane. It is about 50 microns (0.050 mm) approximately equal to the 2 X 25.6 microns shown on the graph. This is the spot size at full field which is at the corners of the 7 X 7 inch work plane. The spot size is almost entirely due to diffraction broadening of the narrow laser beam which in most laser scanners is set by the necessarily small aperture of the scanning mirror(s) and the necessarily long focal length of the F-Theta lens.

F-THETA LASER SCANNER LENSLaser scanners use a lens to focus a small spot at a work plane and scanning mirror(s) to def...
10/11/2015

F-THETA LASER SCANNER LENS

Laser scanners use a lens to focus a small spot at a work plane and scanning mirror(s) to deflect the spot through large angles over the work. The deflection over the work plane needs to be proportional to the mirror scan angle (F x angle theta) unlike conventional lenses, where the deflection (or image height) is proportional to tangent (theta). The F-Theta lens below is designed for a 7 inch square work plane and a 405 nm blue laser. The scanning mirror(s) are located in the collimated laser beam (not shown) just to the left of the lens. The lens needs to produce a small spot of constant size over the full extent of the work plane and over the full deflection angle and therefore needs to be a wide angle lens in addition to the other requirements.

MIRROR IMAGERThe Ritchie Cretien imager has a longer working distance and less spherical aberration than an equivalent s...
10/04/2015

MIRROR IMAGER

The Ritchie Cretien imager has a longer working distance and less spherical aberration than an equivalent simple lens system. It also has no chromatic aberration compared to the large chromatic focal shift of simple lenses.

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Pikesville, MD
21208

Opening Hours

Monday 10:30am - 6pm
Tuesday 10:30am - 6pm
Wednesday 10:30am - 6pm
Thursday 10:30am - 6pm
Friday 10:30am - 6pm
Saturday 10:30am - 6pm

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