カドミ光学工業 List of Products and Services

This is an announcement for the "Kadomi Optical Industry Co., Ltd. Optical Glass Products Comprehensive Catalog." At Kadomi Optical Industry, we manufacture and sell a wide variety of optical components using materials such as synthetic quartz, Pyrex, whiteboard, BK7, crystal, and ClearCeram, including lenses, prisms, quartz parallel plane substrates, wedge substrates, rods, metal mirrors (Al, Au, Ag), dielectric mirrors, beam splitters, wave plates, polarization plates, quartz cells, micro flow cells, vacuum cells, fly-eye lenses, custom machined products, and glass tubes with polished inner and outer diameters. We accommodate production quantities from single prototypes to larger runs.

The "Vermiller" is mainly used for measuring the length of the X and Y stages of exposure devices. The processing accuracy of the Vermiller has a significant impact on the performance of the X and Y stages. The materials used include high-purity synthetic quartz and low thermal expansion glass such as ClearCeram Z. 【Features】 ○ Material: ClearCeram, synthetic quartz ○ Length dimensions: 100 mm to over 800 mm ○ Surface accuracy: a few micrometers to λ/10 *For detailed specifications regarding materials, shapes, etc., please feel free to consult us.

At Kadomi Optical Industries Co., Ltd., we manufacture various optical assemblies tailored to meet our customers' needs. We have a track record of producing optical lens assemblies such as "relay lenses," UV adhesive "adhesive assemblies" for polarization plates, and the integration of lens systems and BS. Please feel free to contact us. 【Examples of Assemblies】 ■ Optical Lens Assembly: Relay Lens ■ Adhesive Assembly: UV Adhesion of Polarization Plates ■ Optical Component Assembly: Integration of Lens Systems and BS *For more details, please refer to the PDF materials or feel free to contact us.

Our company handles a wide range of optical components utilizing advanced glass polishing technology. We can customize high-precision polarizers that are effective for positioning stages and are incorporated into beam splitters and interferometers. We are capable of manufacturing from one piece, creating products that leverage our polishing and bonding technologies according to your desired specifications. We offer beam splitters in sizes ranging from small to large, primarily made of quartz, but we can also propose ultra-low expansion glass ceramics like ClearCeram if low expansion is desired. Regarding polarizers, we provide products not only with adhesive specifications but also using optical contact. Products with optical contact not only excel in optical properties but also achieve high precision specifications without the effects of adhesive expansion and contraction. We plan to renew our website in mid-July. Please be sure to check it out.

"Plano-convex lenses, biconvex lenses / plano-concave lenses, biconcave lenses" are representative shapes of lenses that can be used for focusing applications and magnifying images. We can accommodate various custom specifications ranging from approximately Φ3mm to around Φ150. We can also support dimensions other than those mentioned above, so please feel free to inquire separately. Additionally, we can process shapes other than standard circular ones, such as band shapes and those with hole processing. 【Features】 ■ Usable for focusing applications and magnifying images ■ Representative shapes of lenses ■ Accommodates various custom specifications ranging from approximately Φ3mm to around Φ150 (※ Can also support dimensions other than those mentioned above) ■ Capable of processing shapes other than standard circular ones, including band shapes and those with hole processing *For more details, please refer to the PDF materials or feel free to contact us.

The "Meniscus Lens" is a lens with one concave surface and one convex surface. We can accommodate various custom specifications ranging from approximately Φ3mm to around Φ150. We can also handle dimensions outside of the above range, so please contact us separately. In addition, we can process shapes other than standard circular ones, such as band shapes and those with hole processing. 【Features】 ■ A lens with one concave surface and one convex surface ■ Custom specifications available from approximately Φ3mm to around Φ150 (We can also accommodate dimensions outside of the above range) ■ Processing possible for shapes other than standard circular ones, including band shapes and those with hole processing *For more details, please refer to the PDF document or feel free to contact us.

"Achromatic lenses (doublet lenses) and other bonded lenses" primarily involve the bonding of multiple lenses made from materials with different refractive indices to reduce aberrations and distortions. Our company utilizes glass bonding and processing technologies to also accommodate the processing of bonded lenses into special shapes. Please feel free to contact us when you need assistance. 【Features】 ■ Bonding of multiple lenses made from materials with different refractive indices ■ Also capable of processing bonded lenses into special shapes *For more details, please refer to the PDF document or feel free to contact us.

"Cylindrical lenses/rod lenses" act as lenses only in one axial direction of light. It is possible to change the line formation and the aspect ratio of the image. Applications using cylindrical lenses include "beam shaping of semiconductor lasers," as well as "laser line generators" and "anamorphic optical systems." [Features] ■ Acts as a lens only in one axial direction of light ■ Can change line formation and aspect ratio of the image *For more details, please refer to the PDF document or feel free to contact us.

"Metal mirrors" are products that have a metal film deposited on the surface of the substrate among various types of mirrors. Our mirrors utilize glass processing technology to achieve high precision in dimensions, parallelism, and flatness (surface accuracy and surface roughness). We can accommodate a wide variety of products with different types of deposited films, including aluminum (Al), gold (Au), silver (Ag), alumina (Al2O3), chromium (Cr), and nickel (Ni). We will propose the most suitable options based on your desired applications, optical characteristics, and cost. [Features] - Metal film deposited on the substrate surface - High precision processing of dimensions, parallelism, and flatness (surface accuracy and surface roughness) - Types of deposited films: aluminum, gold, silver, alumina, chromium, nickel, etc. - We will propose the most suitable options based on your desired applications, optical characteristics, and cost. *For more details, please refer to the PDF materials or feel free to contact us.

A representative of metal mirrors is the "aluminum mirror." The average reflectance in the visible range is over 90% for "Al only," over 85% for "Al + protective film (MgF2, SiO2, SiO)," and over 95% for "Al enhanced reflection." The above three types are mainly available due to the addition of protective films and functional films. 【Lineup】 ■ Al only - Used from the ultraviolet range to the near-infrared range ■ Al + protective film (MgF2, SiO2, SiO) - Used from the ultraviolet range to the near-infrared range ■ Al enhanced reflection - A dielectric multilayer film is applied on aluminum, achieving high reflectance *For more details, please refer to the PDF document or feel free to contact us.

The "long pass filter" transmits wavelengths that are longer than a specified cut-on wavelength over a broad range. In contrast, the "short pass filter" transmits wavelengths that are shorter than a specified cut-off wavelength over a broad range. The "dichroic filter" also has similar functions but is designed to reflect light in the blocking range. All filters are designed for an incident angle of either 0° or 45°. 【Features】 ■ Transmits wavelengths longer than the specified cut-on wavelength over a broad range ■ Transmits wavelengths shorter than the specified cut-off wavelength over a broad range ■ Assumes the reflection of light in the blocking range ■ Designed for an incident angle of either 0° or 45° *For more details, please refer to the PDF document or feel free to contact us.

The "ND filter" has the property of absorbing specific colors while allowing other wavelengths to pass through. By controlling the thickness of the filter, accurate filtering can be achieved over a wide bandwidth. 【Features】 ■ Absorbs specific colors while allowing other wavelengths to pass through ■ By controlling the thickness of the filter, accurate filtering can be achieved over a wide bandwidth *For more details, please refer to the PDF document or feel free to contact us.

A "bandpass filter" is a filter that transmits a portion of wavelengths while blocking others. We will consider products that combine multiple filters or utilize multilayer configurations to meet your specific applications and desired specifications. 【Features】 ■ Transmits a portion of wavelengths while blocking others ■ Consideration based on your applications and desired specifications *For more details, please refer to the PDF document or feel free to contact us.

We have a wide range of materials available for the production of optical cells and optical elements. The main types include fused quartz, synthetic quartz, Tempax, and whiteboard. In addition to grades suitable for optical applications, we also have some laser-grade materials. These materials are processed into sheet form rather than blocks and are optically polished on both sides, making them suitable for various applications such as processing materials, testing materials, window plates, and spacers. We can accommodate your desired sizes, whether from standard sizes like 5 inches (127×127) and 6 inches (152×152) or custom sizes, so please feel free to contact us. If you require short lead times and low costs, we have pre-processed standard size products available, so please select from the standard product list. 【Features】 ■ Processed into sheet form rather than blocks, with optical polishing on both sides ■ Usable for various applications such as processing materials, testing materials, window plates, and spacers ■ Accommodates your desired sizes *For more details, please refer to the PDF document or feel free to contact us.

The "Corner Cube Prism" is used to return the light path in the direction of incidence through three internal total reflections. (Retroreflection) It is also possible to coat all reflective surfaces with aluminum or silver. It is also referred to as a retroreflector. 【Features】 ■ Size dimensions: up to φ50 ■ Surface accuracy: λ/10 ■ Beam deviation angle: within 5 seconds *For more details, please refer to the PDF document or feel free to contact us.

The "anamorphic prism" is primarily used to change the vertical and horizontal image magnification of semiconductor laser light. It is also possible to enlarge in one direction and shape an elliptical beam into a circular beam. 【Features】 ■ Surface accuracy: ~λ/10 ■ Angular tolerance: ~±5 minutes *For more details, please refer to the PDF document or feel free to contact us.

The "Lomboyd Prism" can move the optical axis a fixed distance without rotating the image. By combining it with a 45° right-angle prism and applying a coating, it also functions as a beam splitter. 【Features】 ■ Surface accuracy: ~λ/10 ■ Angle tolerance: ~±30 seconds *For more details, please refer to the PDF document or feel free to contact us.

The "Daha Prism" is a roof-shaped prism. It is used to bend the light path by 90 degrees or to rotate images. A typical example is its incorporation into binoculars. We also accept orders for high-precision models and various custom specifications, even starting from one piece. 【Features】 ■ Surface accuracy: up to λ/4 ■ Angle tolerance: up to ±3 minutes *For more details, please refer to the PDF document or feel free to contact us.

The "pentaprism" is a pentagonal prism. Unlike a roof-shaped prism where the image rotates, it is possible to bend the light path by 90 degrees while keeping the image upright. (The inversion of the image is determined by the number of reflections. Since the pentaprism reflects an even number of times, the image does not invert.) We also accept orders for high-precision models and various custom specifications, starting from just one piece. 【Features】 ■ Surface accuracy: up to λ/10 ■ Angle accuracy: up to ±3 minutes *For more details, please refer to the PDF document or feel free to contact us.

"Dub Prism" is often used to rotate or invert images depending on the rotation angle of the prism, the incident surface, and other factors. We also accept orders for high-precision items and various custom specifications, even starting from one piece. Please feel free to contact us when you need assistance. 【Features】 ■ Surface accuracy: up to λ/10 ■ Angle accuracy: up to ±3 arc minutes *For more details, please refer to the PDF document or feel free to contact us.

Our company specializes in the bonding of various types of prisms to accommodate special optical paths and shapes. By combining our expertise in processing (polishing and bonding), we can handle complex and special shapes. We will propose bonding methods such as UV adhesive, optical contact, and others according to your needs. 【Features】 ■ Bonding of various prisms to accommodate special optical paths and shapes ■ Ability to handle complex and special shapes by combining our expertise in processing ■ Proposals for UV adhesive, optical contact, and other methods based on your requirements *For more details, please refer to the PDF document or feel free to contact us.

A "dielectric mirror" is a product that has a multilayer coating of dielectric materials (primarily oxides) on the surface of the mirror substrate. Compared to metal mirrors, its features include achieving high reflectivity and the ability to design reflectivity for specific wavelength ranges, such as in half mirrors, hot mirrors, and cold mirrors. It also utilizes high-precision substrates made with glass processing technology, similar to metal mirrors. 【Features】 ■ Multilayer coating of dielectric materials (primarily oxides) on the mirror substrate surface ■ Achieves high reflectivity ■ Ability to design reflectivity for specific wavelength ranges ■ Appropriate coatings can be suggested based on applications and specifications *For more details, please refer to the PDF document or feel free to contact us.