大正光学 List of Products and Services

"Laser mirrors" require careful selection of appropriate conditions, such as substrate surface roughness and the choice of deposition materials, compared to general mirrors. We can offer a wide range of applications from high power to LD. Our company can provide highly durable products through coating (vacuum deposition). [Main glass materials] ■ Optical glass in general ■ Synthetic quartz ■ Optical crystals ■ Colored glass ■ Resin *For more details, please refer to the PDF document or feel free to contact us.

• mirror

The "Half Mirror / Beam Splitter" is a filter that can separate light in any desired ratio, such as 1:1 or 7:3. The specified wavelength and separation can be designated as needed. Our company can provide products with excellent durability through coating (vacuum deposition). 【Main Glass Materials】 ■ Optical glass in general ■ Synthetic quartz ■ Optical crystals ■ Colored glass ■ Resin *For more details, please refer to the PDF document or feel free to contact us.

• mirror

"Metal mirrors" are products that have aluminum or gold applied to glass. They are relatively low-cost, highly versatile, and can accommodate various wavelength ranges. The main wavelength ranges are from the ultraviolet range (200nm) to the visible range to the infrared range, with specification angles from 0 degrees to 90 degrees. Our company can provide highly durable products through coating (vacuum deposition). [Main glass materials] ■ General optical glass ■ Synthetic quartz ■ Optical crystals (Si・Ge) ■ Colored glass ■ Resin *For more details, please refer to the PDF document or feel free to contact us.

• mirror

A "bandpass filter" is a product that is applied to whiteboards, blueboards, optical glass, and colored glass with optical thin films, allowing only specific wavelengths to pass through. Similar product names include BPF, wavelength-selective filters, and interference filters. Our company provides highly durable products through coating (vacuum deposition). 【Main Glass Materials】 ■ General optical glass ■ Synthetic quartz ■ Optical crystals ■ Colored glass ■ Resin *For more details, please refer to the PDF document or feel free to contact us.

• Other filters

The "ND filter" is a product that adjusts light intensity by applying optical thin films to whiteboards, blueboards, optical glass, and colored glass. Similar product names include attenuation filters and dimming filters. For imaging equipment, we offer a lineup of "low-reflection ND filters" that can eliminate ghosting and reduce stray light. 【Main Glass Materials】 ■ General optical glass ■ Synthetic quartz ■ Optical crystals ■ Colored glass ■ Resin *For more details, please refer to the PDF document or feel free to contact us.

• Other filters

A "dichroic filter" is a product that applies optical thin films to whiteboards, blueboards, optical glass, and colored glass to control wavelength, color, and light intensity. We provide highly durable products through coating (vacuum deposition). We offer various specifications based on the light sources used (halogen/mercury/LED/LD) and the light-receiving elements (PD/CMOS/CCD). [Main Glass Materials] ■ General optical glass ■ Synthetic quartz ■ Optical crystals ■ Colored glass ■ Resin *For more details, please refer to the PDF materials or feel free to contact us.

• Other filters

We support micro lenses with a diameter of 5mm or less. We can handle everything from material procurement to polishing, edge trimming, coating, and bonding. The production of micro lenses requires unique know-how not only in lens polishing technology but also in edge trimming and coating processes. The difficulty of processing is higher compared to regular spherical lenses, making prior specification discussions very important. [Main Glass Materials] ■ General optical glass ■ Synthetic quartz ■ Optical crystals ■ Resins ■ Metals *For more details, please refer to the PDF document or feel free to contact us.

• lens

"Aspherical lenses" have superior optical performance compared to spherical lenses and are primarily used in imaging systems and similar applications. The main manufacturing methods include "cutting and polishing" and "press molding." Our company can propose suitable methods based on quantity, cost, and shape. It is also possible to apply anti-reflective coatings according to the specified wavelength. [Main Glass Materials] ■ General optical glass ■ Synthetic quartz ■ Optical crystals ■ Resin ■ Metal *For more details, please refer to the PDF materials or feel free to contact us.

• lens

The "Electrostatic Prevention Optical Filter" solves issues with glass surface defects caused by dust adhesion through optical thin film (vacuum deposition). It is effective in preventing dust from adhering to optical lenses and optical components used in medical devices and factory automation equipment, and it is expected to reduce the decline in resolution and measurement quality caused by dust. 【Features】 ■ Prevents dust from adhering to optical lenses and optical components ■ Reduces the decline in resolution and measurement quality caused by dust *For more details, please refer to the PDF document or feel free to contact us.

• Other filters

The "Fingerprint Adhesion and Dirt Prevention Optical Filter" solves the problem of fingerprints and dirt adhesion using optical thin film (vacuum deposition). It effectively reduces visibility issues and image distortion caused by dirt and oil that adhere to lenses and other surfaces. Additionally, even when dirt adheres, the effect of weakening adhesion allows for easy removal. 【Features】 ■ Reduces visibility issues and image distortion ■ Weakens adhesion even when dirt adheres ■ Easily removable ■ Can also provide anti-reflective effects *For more details, please refer to the PDF document or feel free to contact us.

• Other filters

Taisho Optical Co., Ltd. specializes in the manufacturing of optical thin film products and optical lens components based on customer specifications, focusing on small quantities and a wide variety of products. We are also actively promoting new developments, particularly in optical functional films (such as anti-static, low-reflection ND, and water-repellent coatings). To ensure that we can reliably commercialize what our customers require, we must have elements such as "technology," "precision," "quality," and "cost" in place. Since our founding in 1973, Taisho Optical has steadily accumulated experience and achievements with this in mind for over 30 years. Thanks to this, we have gained the trust of our customers and have delivered numerous products to major manufacturers. 【Business Activities】 ○ Optical thin film processing utilizing vacuum deposition technology ○ Core processing and external shaping processing centered on glass ○ Manufacturing/assembly of optical components, optical lenses, prisms, bonding, and integration ○ Contract optical thin film processing and vacuum deposition processing For more details, please contact us or download our catalog.

• Other optical parts
• lens
• Processing Contract

【What We Can Do】 　Optical lens core processing 　We can accommodate a minimum tolerance of 0.005mm 　We handle a wide range of materials, from fragile materials to quartz and crystals. 【Flow of Inquiry】 　◎Customer: Please let us know what you would like to achieve/request. 　　　　　 　We will also respond to confidentiality agreements as needed. 　◎Our Company: We will check the feasibility of processing conditions and confirm any missing information. 　　　　　　Based on that, we will provide a quotation. 　◎Customer: We will receive confirmation of the order. 　◎Our Company: In case of an order, we will carry out the processing and deliver the product. 【Track Record】 　Optical equipment manufacturers 　Optical lens manufacturers 　Scientific instrument manufacturers, etc. －－－－－－－－－－－－－－－－－－－－－－－－－ If you are interested, please feel free to contact us. If you send us an email, we will provide proposals with samples and materials. Contact Kato at h-kato@taisyou-op.co.jp.

• Optical Experimental Parts
• Other optical parts
• Contract measurement

【What We Can Do】 Materials: Glass, synthetic quartz, crystalline materials (such as CaF2), ceramics, etc. Processing details: Rolling (core removal), rectangular shaping, polygonal shaping, etc. Rolling processing: Minimum 0.5mm and up Minimum tolerance: 0.005mm Other: Groove processing, cutting, painting (black coating), etc. 【Inquiry Process】 ◎ Customer: Please let us know what you would like to achieve/request. We will also handle confidentiality agreements as needed. ◎ Our Company: We will confirm the feasibility of processing conditions and any missing information. Based on that, we will provide a quotation. ◎ Customer: We will receive confirmation of the order. ◎ Our Company: In case of an order, we will carry out the processing and deliver the product. 【Track Record】 Optical equipment manufacturers Optical lens manufacturers Scientific instrument manufacturers, etc. －－－－－－－－－－－－－－－－－－－－－－－－－ If you are interested, please feel free to contact us. If you send us an email, we will provide proposals with samples and materials. Contact Kato at h-kato@taisyou-op.co.jp.

• Optical Experimental Parts
• Other optical parts
• Contract measurement

【Capabilities】 　"Ultra-thin films" The thinnest possible from a few nm 　"Composite laminates" Multiple materials can be layered (up to about 50 layers) 　"Non-etching" Surface treatment of the base material can be done without etching 　　Additionally, we can process under special conditions that cannot be achieved with plating treatments. 【Inquiry Process】 　◎Customer: Please inform us of what you would like to achieve/request. 　　　　　 　We will also handle confidentiality agreements as needed. 　◎Our Company: We will confirm the feasibility of processing conditions and any missing information. 　　　　　　Based on that, we will provide a quotation. 　◎Customer: We will receive confirmation of the order. 　◎Our Company: In the case of an order, we will carry out the processing and deliver the product. 【Track Record】 　Production of analysis samples for material manufacturers 　Surface treatment processing of steel materials for metal manufacturers 　We often receive inquiries related to analysis purposes and materials engineering fields. －－－－－－－－－－－－－－－－－－－－－－－－－ If you are interested, please feel free to contact us. If you send us an email, we will provide proposals with samples and materials. Contact Kato at h-kato@taisyou-op.co.jp.

• Optical Experimental Parts
• Other optical parts
• Contract measurement

Optical components, as well as sensors and sample work for medical devices and FA equipment, are products that help solve issues such as dirt and contamination. ◆◆◆ Surface Protection Coating ◆◆◆ - Purpose: Preventing scratches on glass surfaces due to wiping and dirt removal Preventing wear of glass components due to operation - Effect: Improving the product life of glass components Preventing deterioration of optical properties [Example] When coated glass is used in contact with each other, scratches appear quickly, and the coating properties deteriorate. By protecting the surface, the product life is significantly improved. Since it is intended for optical applications, it is also possible to add features such as anti-reflective (AR) coatings.

• Other optical parts
• Other laboratory equipment and containers
• Optical Experimental Parts

Optical components, of course, are products that help solve problems such as dirt on sensors and sample work in medical devices and FA (Factory Automation) equipment. ◆◆◆ Anti-Static Coating ◆◆◆ - Application: Makes it difficult for dust and dirt to adhere to the surfaces of lenses and glass. - Effect: Improves visibility issues caused by the adhesion of dust, and if dust does adhere, it can be easily removed. Since it is intended for optical applications, it is also possible to add features such as anti-reflective (AR) coatings.

• Other optical parts
• Other laboratory equipment and containers
• Optical Experimental Parts

◆◆◆ Polarizing Beam Splitter ◆◆◆ Application: Separates polarized components into P-wave and S-wave. Used in measurement devices and analytical instruments. ◆◆◆ Non-Polarizing Beam Splitter ◆◆◆ Application: A BS that does not separate PS waves (divides both PS waves in equal ratios). Used in microscope optical systems and measurement devices. ◎ Used in a wide range of applications such as illumination optical systems, projection optical systems, image processing, and cutting-edge research. ◎ Please consult us about the performance and applications you wish to achieve. We will propose the optimal product based on your application/wavelength. ◎ Various types available, including filter type, mirror type, and prism type. ◎ Design proposals can be made considering the effects of polarization and other factors. ------------------------------------------------ If you send us an email, we will provide samples and materials for your consideration. Contact Kato at h-kato@taisyou-op.co.jp.

• Optical Experimental Parts
• Laser Components
• Other optical parts

The following are representative products. Generally, there are various types such as "dichroic filters," "short pass filters," "color separation filters," and "cold mirrors," and our company can accommodate almost all of them. ◎ They are used in a wide range of applications, including lighting optical systems, projection optical systems, image processing, and cutting-edge research. ◎ Please consult us about the performance and applications you wish to achieve. We will propose the optimal products based on your application/wavelength. ◎ We offer various types, including filter types, mirror types, and prism types. ◎ We can provide design proposals that also consider the effects of polarization and other factors.

• Optical Experimental Parts
• Laser Components
• Other optical parts

I want to perform vapor deposition, but I have no equipment! I have no connections! There are cases where researchers and university personnel give up on processing because 'the in-house equipment is occupied and cannot be used' and 'there is no prospect of introducing equipment.' 【Flow of Vacuum Vapor Deposition Contract Processing】 ◎ Customer: Please provide instructions on 'deposition materials (can be supplied)' and 'deposition conditions,' etc. We will also confirm the guarantee conditions after processing, as well as measurement and analysis conditions. Any undecided parts will be determined later. We will also respond to confidentiality agreements as needed. ◎ Our Company: We will check the feasibility of processing conditions and confirm any missing information. Based on that, we will provide a quotation. ◎ Customer: We will receive confirmation of the order. ◎ Our Company: In the case of an order, we will carry out the processing and deliver the product. 【Track Record】 Production of analysis samples for material manufacturers. Surface treatment processing of steel materials for metal manufacturers. We often receive inquiries related to analysis purposes and materials engineering fields. －－－－－－－－－－－－－－－－－－－－－－－－－ If you are interested, please feel free to contact us. If you send us an email, we will propose samples and materials. Contact Kato at h-kato@taisyou-op.co.jp.

• Optical Experimental Parts
• Other optical parts
• Contract measurement

Cutting-edge! Introducing a lineup of "Low Reflection ND Filters" for image and video applications. Traditional ND filters are also available. ◆◆◆ Low Reflection ND Filter ◆◆◆ - Effect: Significantly reduces reflected light, providing excellent stray light prevention. (Prevents ghosting and multiple exposures, etc.) - Application: Light reduction for optical systems in imaging / Light adjustment for analytical devices. ◆◆◆ Reflection Type ND Filter ◆◆◆ - Effect: Allows arbitrary control of transmitted light (but with reflected light present). - Application: Light reduction for optical systems in imaging / Light adjustment for analytical devices. (Ghosting due to stray light is more likely to occur.) －－－－－－－－－－－－－－－－－－－－－－－－－ If you are interested, please feel free to contact us. If you send an email, we will provide samples and materials for your consideration. Contact Kato at h-kato@taisyou-op.co.jp.

• Optical Experimental Parts
• Laser Components
• Other optical parts

Do you have the following concerns in development, purchasing, quality control, or trading companies? - "There are optical components that are difficult to commercialize with just one manufacturer." - "When multiple processes are carried out by several companies, the responsibility for quality becomes ambiguous." Our company is a manufacturing manufacturer, but we also have expertise in external procurement and quality management. We have personnel with various technical skills and networks, such as "optical polishing," "optical thin films," "technical purchasing," and "development sales." 【Types of products handled and glass types】 Spherical lenses, various prisms, flat plates, high-precision flat plates, wedge substrates, synthetic quartz, general optical glass, colored glass, crystalline materials (such as CaF2), optical adhesives, and metal holder assembly. By combining the above, we can create irregular shapes, special items, etc. 【Example】 Want to apply "conductive film + dichroic coating + etching + cutting" to glass, etc. 【High difficulty projects】【Projects rejected by other companies】 We would like to introduce our capabilities to you. If you send us an email, we will bring samples and materials to make a proposal. Please contact Kato at h-kato@taisyou-op.co.jp.

• Optical Experimental Parts
• Other optical parts
• Laser Components

Are you experiencing any issues with existing half mirrors or beam splitters? Depending on the application, it may be difficult to find a solution with commercially available products. We can offer product proposals utilizing our expertise in custom specifications! 《Examples of issues》 "Separation ratio bias," "polarization bias," "ghost images," etc. ◆◆◆ Half Mirror ◆◆◆ Divides light in a 50%:50% ratio For microscope optical systems, FA measurement devices, lighting systems, etc. ◆◆◆ Beam Splitter ◆◆◆ Divides light in arbitrary ratios such as 70%:30% ● Wavelength range: 220-2400nm ● Incident angle: centered at 45 degrees (0° to 180° adjustable) ● Separation ratio: 1-99% (customizable)

• mirror
• Laser Components
• Other optical parts

◆◆◆ Single-layer Anti-Reflection Coating (S-AR) ◆◆◆ - Application: For processing on camera lenses and high refractive index glass. - Effect: Improves visibility issues caused by moisture adhesion and makes cleaning glass products easier. ◆◆◆ Multi-layer Anti-Reflection Coating (M-AR) ◆◆◆ - Application: Easily removable with cloth, even when fingerprints or oil mist adhere. - Effect: Enhances maintainability. ● Wavelength range: Up to 220-2400nm ● Incident angle: 0° to 180° (can be customized) ● Reflectance: From 0.2% ------------------------------------------------ We also handle a wide range of optical thin films. If you are interested, please feel free to contact us. If you send us an email, we will provide samples and materials for your consideration. Contact Kato at h-kato@taisyou-op.co.jp.

• Other optical parts
• Other optical parts

Optical components, of course, are products that help solve problems such as dirt on sensors and sample works in medical devices and FA (Factory Automation) equipment. ◆◆◆ Water Repellent Coating ◆◆◆ - Application: When installed on surveillance cameras or cameras and lenses in high-humidity environments, it becomes difficult for raindrops and frost to adhere. Even if they do adhere, they can be easily removed with air blowing or a cloth. - Effect: Improves visibility issues caused by moisture adhesion and makes cleaning glass products easier. ◆◆◆ Oil Repellent Coating ◆◆◆ - Application: Even if fingerprints or oil mist adhere, they can be easily removed with a cloth. - Effect: Enhances maintainability. ◆◆◆ Anti-Soiling Coating ◆◆◆ - Application: Makes it difficult for all kinds of dirt to adhere to the surfaces of lenses and glass. Dirt that has adhered can be easily removed with a cloth. - Effect: Improves visibility issues caused by dirt adhesion and makes cleaning glass products easier. It is also possible to add anti-reflective (AR) coatings. If you send an email, I can provide samples and materials for your consideration. Please contact Kato at h-kato@taisyou-op.co.jp.

• Other optical parts
• Other laboratory equipment and containers
• Optical Experimental Parts

●Processing varieties - General mirror coatings are almost all processable (AL/Au/Ag/Cr/Ti/Enhanced reflection/Custom configurations, etc.) ●Quality - Proven track record of long-term transactions with major camera manufacturers ●Delivery time - As short as within one week ●Service - Support for handling methods, cleaning methods, etc. ◆◆◆ For prototype developers, researchers, and purchasers ◆◆◆ Have you decided on the "application," "light source," and "desired specifications"? We provide consistent support from technical proposals to product commercialization to meet your desired specifications. If you send us an email, we will propose samples and materials. Contact Kato at h-kato@taisyou-op.co.jp. ◆◆◆ For manufacturer purchasers ◆◆◆ Are you looking for cost reduction, delivery response, and quality improvement? We would love to introduce our capabilities to you. If you send us an email, we will bring samples and materials for our proposal. Contact Kato at h-kato@taisyou-op.co.jp.

• mirror
• Laser Components
• Other optical parts