General Lighting: Light Transmission Test System


Customer: Global Lighting Company
Product: Custom Light Transmission Measurement System
Industry: Lighting
Goal: A leading manufacturer in the lighting industry needed a computerized light measurement system to characterize the total and spot transmission of polycrystalline alumina tubing used in the assembly of high intensity light bulbs. The customer’s previous light measurement system, designed by a different vendor, was slow and produced erratic test results because the tubes were manufactured in different diameters and lengths.
Solution: Labsphere engineers designed a transmission measurement system in two components, each controlled by the same software. A 20-inch diameter light measurement integrating sphere collected the total flux transmission from the sample tube mounted inside the sphere. A laser-based, motion controlled scanning device measured the spot transmission at various locations along the full length of the tube. The integrated software provided access to both system components so that simultaneous total and spot transmission testing was possible. Two additional systems have been ordered.
Product: Custom Light Transmission Measurement System
Industry: Lighting
Goal: A leading manufacturer in the lighting industry needed a computerized light measurement system to characterize the total and spot transmission of polycrystalline alumina tubing used in the assembly of high intensity light bulbs. The customer’s previous light measurement system, designed by a different vendor, was slow and produced erratic test results because the tubes were manufactured in different diameters and lengths.
Solution: Labsphere engineers designed a transmission measurement system in two components, each controlled by the same software. A 20-inch diameter light measurement integrating sphere collected the total flux transmission from the sample tube mounted inside the sphere. A laser-based, motion controlled scanning device measured the spot transmission at various locations along the full length of the tube. The integrated software provided access to both system components so that simultaneous total and spot transmission testing was possible. Two additional systems have been ordered.

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