We are always striving to improve the precision and technology of our prisms more than ever before.
Mitsui Optical Co., Ltd., which has been manufacturing optical prisms for half a century, is committed to improving the precision and technology of prisms more than ever before. Optical components that require sub-micron level precision in angles can only be produced with advanced polishing techniques. Mitsui Optical Co., Ltd. provides products in the latest electronics fields, including audio equipment such as DVDs and CDs, information and communication devices represented by optical fibers, video equipment such as projectors, and other medical and electronic devices. As we enter the new era of the 21st century, we will continue to provide information on technologies and services utilizing networks. 【Three Features of the Development and Manufacturing Process】 ○ Shaping the "one and only" in the world → Developing and manufacturing from a single product to shape customers' ideas ○ High quality and high precision → Polishing technology that boasts excellent quality ○ Strength in self-contained operations → Centralized management of the production process For more details, please contact us or download the catalog.
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【Product Overview】 ○ Processed Materials and Types → General optical glass and synthetic quartz, Tempax, Pyrex, crystal, ceramic ○ Dimensions (mass-produced items): 1mm to 400mm ○ Accuracy (mass-produced items) → Angle tolerance: ±5″ to ±20″ (at 90 degrees) → Surface accuracy: λ/4 to λ/10 → Dimensional tolerance: ±0.03 to ±0.1 【List of Prism Products】 ○ Dagger Prism ○ Cross Prism ○ Beam Splitter ○ Pickup ○ Color Separation Prism ○ Deviation Prism 【Coating List】 ○ Anti-reflective Coating (AR) ○ Beam Splitter (BS) ○ Polarizing Beam Splitter (PBS) ○ Laser Mirror ○ Dichroic Filter (RGB Color Filter) ○ Cold Mirror ○ Cold Filter ○ IR Cut Filter ○ ND Filter ○ Metal Coating ● For more details, please contact us or download the catalog.
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A new era has arrived where innovative optical technology promotes the development of various industries, and consequently, society and culture. The market utilizing optical technology, including optical communication systems that support today's information society, high-definition digital images such as optical disc media, surveying, and medical research, is expected to continue to grow significantly in the future. In light of this background, the precision and production capacity required for prisms are increasing daily. Mitsui Optical Co., Ltd., with a history and track record of 55 years since its establishment, received ISO 14001 certification in 2004 and ISO 9001 certification in 2006. As a Japanese development and manufacturing company that boasts "world-class leadership" in prism technology, we will continue to challenge ourselves in technological development to meet the thick trust placed in us and provide high-quality, high-precision optical components demanded by the new era.