How to Save Time (and Money) When Specifying Optical Glass

The glass types selected for an optical component or system can have a noticeable impact on price, lead time (both…read more

Taking The Lead

Challenge: A global company that builds world-class products for scanning solutions discovered a problem after moving a product from the…read more

Troubleshooting a Challenging Performance Issue

Challenge: JML Optical was contracted to make in high volumes a customer-designed, precision optical assembly for an FDA-regulated medical device….read more

Design Hits New Performance Heights

Challenge: An international aerial imaging company approached JML with a new lens assembly concept that required design and fabrication expertise….read more

Going Beyond the Quote

Challenge: A long-time biometrics client requested a quote for a higher quantity of their usual go-to JML lens for use…read more

Innovation In Manufacturing

Challenge: The concave-plano coated mirror included a center hole with extremely tight tolerances for concentricity and a “no chips allowed”…read more

Manufacturing Tolerances

Once a satisfactory design has been achieved, the optical element must be fabricated. The fabrication process determines the final shape…read more

MTF Evaluation

Up to this point, this discussion has considered the performance of the optical system only in terms of image location….read more

Third-Order Seidel Aberrations

The derivations of the previous equations for the object, image and focal distances assumed n1θ1 = n2θ2. However, Snell’s Law…read more

Theories & Formulas

Sign Conventions Before proceeding with the methods of analysis for an imaging system, a few sign conventions must be established….read more

Positive & Negative Components

Two general types of optical components can be defined in terms of their effect on an incident-light beam. Let a…read more

Glossary of Terms