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UV Harmonic Separators and Polarizing Cube Beamsplitters


IBS Coated UV Harmonic Separators Designed for High Power Femtosecond and Picosecond Lasers




Harmonic separators with high transmission are dichroic beamsplitters that reflect one wavelength and transmit the other. The main advantages of a UV harmonic separator are high transmission T>98%@515 nm + T>99%@1030 nm and high LIDT (Laser Induced Damaged Threshold) at reflected 343 nm p-polarized wavelength >0.3 J/cm2 at 200 fs, 100 Hz or >0.7 J/cm2 at 10 ps, 50 kHz. The rear surface of harmonic separators is antireflection coated to minimize back reflections.




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High Energy Polarizing Cube Beamsplitters are optically contacted for high-power laser applications. Cubes feature high LIDT >15 J/cm2 at 10 ns pulses, 1064 nm, precision surface quality, and a high extinction ratio. We provide cubes of up to 25.4x25.4 mm for a single or dual-wavelength operation. The curve below shows transmission for two 515+1030 nm wavelengths with a p-polarized component and an s-polarized component.

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