Home > Thin Films > IR Window We are pleased to introduce you to windows for specimen observation, laser irradiation, etc. IR Window (Silicon) A window with a substrate made of single-crystal silicon. No absorption in the infrared region up to 6μm. With anti-reflective (AR) coating on the both faces, the product delivers even superior transmission properties highly suitable for windows. Details >> IR Window (Germanium) A window with a substrate made of single-crystal germanium. Low absorption at the infrared region up to 20μm. With anti-reflective (AR) coating on the both faces, the product delivers superior transmission properties suitable for windows. Details >> Contact OPTOQUEST Co., Ltd. Headquarters 1335 Haraichi, Ageo-city, Saitama 362-0021 FAX : +81-(0)48-724-1813    [MAP] OPTOQUEST Co., Ltd. Tokyo sales office 2F Ginsan Bldg. 4-3-10, Nihonbashi-Honcho, Chuo-ku, Tokyo 103-0023 FAX : +81-(0)3-5200-0803    [MAP] Copyright (C) 2005-2015 Optoquest Co., Ltd. All rights reserved.