Near-UV achromatic lenses

  • 15-Mar-2010 06:06 EDT

The TECHSPEC lenses from Edmund Optics provide good transmission in the 345 to 700 nm range and minimize the spot size for polychromatic illumination in the 345 to 550 nm region. The lenses are suited for use in fluorescence applications and for simple focusing of common UV light sources, including mercury arc lamps, UV LEDs, and tripled Nd:YAG lasers. They feature a simple cemented design and offer an alternative to air-spaced doublets and triplets in the UV region. The lenses provide >90% transmission from 360-700 nm and supply >50% transmission at 334 nm with no spherical aberration or coma.

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