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In our previous article, we discussed how light is defined by opticians in terms of its wavelength and that their understanding of its propagation as a wave allows them to manipulate its behavior using optics.  We’ll now move on and begin to cover the many considerations when designing an optical system. The first and most obvious consideration in optical design is defining the intended application.  Perhaps the system will be used to image the sun in ultraviolet light; perhaps it is for biomedical imaging of human tissue or maybe it’s a simple viewport that is subject to extremely high pressure...

Attached to the tool belt of every optical designer is a staggering variety of materials from which to choose.  However, from high and low index optical glasses, absorptive filters, various crystals, composites and plastics, very few can boast the wide ranging appeal of fused silica.  In terms of application, this high purity, non-crystalline material is often the go-to substrate of choice, and for good reason.  If you’re in the market for an all-purpose, high performing lens, window, mirror substrate or even a simple, stable tool, then consider the following: Range of Transmission:  Through various manufacturing processes, producers of fused silica...

The fire that erupted through Esco’s production facility in August of 2014 was just a minor speed bump in Esco’s 60+ year history. In a quick rebound from the fire, administrative services and production were relocated to our 1 Tidland Road facility in Oak Ridge, New Jersey to maintain production. In October, Esco signed a letter for a new building, yet zoning issues, construction permits and other permits hindered the process. The hope to purchase a larger building, as well as, the option to add additional space to the new facility was a slow and tedious process, however, approval was...