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Visible BK7 Optical Dome Lens

BK7 is the most commonly used optical glass, and BK7 domes are a popular optical protection element suitable for protecting internal optics or sensors while providing good optical performance. Selection requires a trade-off between performance and cost based on specific needs.
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What are the applications of BK7 domes?
Shield: protects the internal optics or sensor.
Optical window: window element in an optical system.
Sensor protection: protection of the sensor from environmental influences.
Laser systems: protective windows in laser systems.

What are the advantages and disadvantages of BK7 domes?
Advantages:
High transmittance, high optical uniformity, good mechanical properties, lower cost.

Disadvantages:
Lower UV transmittance, higher coefficient of thermal expansion.

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