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ISP Optics Hemispherical (Half-Ball) Infrared (IR) Lenses are ideal for LED and fiber coupling of visible and infrared (IR) light sources. Hemispherical lenses are made by cutting a spherical (ball) lens in half, facilitating easier mounting compared to spherical (ball) lenses. These lenses are available with Fused Silica, Silicon, Calcium Fluoride, or Zinc Selenide substrates to provide coverage for applications from the ultraviolet to the long-wave infrared. ISP Optics Hemispherical (Half-Ball) Infrared (IR) Lenses feature high numerical apertures for applications including fiber coupling, microscopy, and IR laser measurement. The lenses with Silicon substrates are available as either standard hemispherical lenses or hyper-hemispherical lenses.
Note: Special care should be taken when handling Zinc Selenide as it is a toxic material. Always wear rubber or plastic gloves to avoid risk of contamination.
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