Zinc selenide IR focusing objectives provide maximum coupling efficiency of beams up to 5 mm between output from an IR source and a single- or multimode transmitting fiber optic. Aspheric design provides a focal spot smaller than the fiber core diameter, allowing for precision alignment without negatively impacting transmission. Antireflection coating options between 3.2 and 9.5 µm are available. Ideal for fiber coupling and IR focusing applications.
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