日本真空光学 List of Products and Services

Metal films such as gold, silver, nickel, and aluminum are deposited on substrates like glass in single or multiple layers.

• Other optical parts

By using a multilayer film of dielectrics with different refractive indices, it is possible to separate light in two or more wavelength ranges, and as a result, extract specific colors.

• Other optical parts

By using a multilayer film of dielectrics with different refractive indices, it is possible to separate light in two or more wavelength ranges, and as a result, extract specific colors.

• Other optical parts

By using a multilayer film of dielectrics with different refractive indices, light in two or more wavelength ranges can be separated, allowing for the extraction of specific colors.

• Other optical parts
• mirror

Light can be separated in two directions by reflection and transmission.

• Other optical parts

Light can be separated in two directions by reflection and transmission.

• Other optical parts

It is a mirror that reflects in the wavelength range suitable for lasers.

• Other optical parts
• mirror

By forming a single-layer or multi-layer dielectric film on the surface of optical materials, it is possible to prevent light reflection at the surface and improve transmittance.

• Other optical parts

The multilayer film without light absorption separates infrared and visible light, which are sources of heat in lighting, or separates ultraviolet and visible light.

• Other optical parts

It is a filter that utilizes the interference phenomenon of reflected light occurring at the interface of a thin film to selectively transmit light of specific wavelengths.

• Other optical parts

It is a filter that utilizes the interference phenomenon of reflected light occurring at the interface of a thin film to selectively transmit light of specific wavelengths.

• Other optical parts

It is a filter that utilizes the interference phenomenon of reflected light occurring at the interface of a thin film to selectively transmit light of specific wavelengths.

• Other optical parts

It is a filter that transmits infrared light by forming a multilayer film on optical substrates such as quartz, sapphire, Si, and Ge, utilizing the effect of the interference film.

• Other optical parts

It is a filter that transmits infrared light by forming a multilayer film on infrared optical substrates such as quartz, sapphire, silicon, and germanium, utilizing the effect of the interference film.

• Other optical parts

Since its establishment in 1946, Nippon Vacuum Optics has been dedicated to improving optical thin film technology and has consistently pioneered cutting-edge technologies, including the establishment of high-frequency plasma and ion process technologies. The products created through its outstanding technical capabilities and reliable quality management system have gained high reliability across a wide range of fields, from home appliances to information and communication, biotechnology, and space development. The comprehensive catalog of filter and multilayer thin film optical products can be viewed by clicking on 'Download Catalog'!

• Other optical parts
• mirror

It is used as a reflective mirror and serves as the joining surface on the glass side when integrating glass and metal through soldering.

• Other optical parts

We will manufacture color filters using optical multilayer films for environmental considerations. Our product lineup is inspired by colored glass and offers a variety of characteristics. The substrate size can be produced according to your preferences. In particular, the cutoff performance is independent of the substrate thickness.

• Other optical parts

Our deep cold mirror has received high reliability evaluations from customers based on actual light source usage conditions.

• Other optical parts
• mirror

A beam splitter can separate the polarization components and intensity of light into two directions through reflection and transmission. There are prism-type and plate-type beam splitters.

• Other optical parts
• prism

It is a filter that controls infrared light by forming a multilayer film on optical substrates such as quartz, sapphire, Si, and Ge, utilizing the interference effect of the film. The selection of the optical substrate used takes advantage of the optical properties of the materials.

• Other optical parts

Compared to absorption-type colored glass and filters such as gelatin, it is possible to limit the transmitted wavelength range, resulting in a filter with extremely clear contrast.

• Other optical parts

Fluorescence analysis: This is a method of analysis that utilizes the property of fluorescent substances to emit fluorescence when excited light is irradiated onto them. Raman spectroscopy: This is an analytical method that uses the Raman effect and has become widely used in many fields as a local analysis method. The measuring instruments used for these spectroscopic analyses handle very weak signals, and high performance is required for the optical elements used.

• Other optical parts

I will explain the roles of each filter and mirror used in liquid crystal projectors.

• mirror
• Other optical parts

We provide filters with low loss, flat transmission characteristics, and steeper rise times using our unique plasma ion process, ensuring high quality and reliability. We can accommodate your requirements regarding center wavelength, separation wavelength, branching ratio, incident angle, and more.

• mirror
• Other optical parts

The optical pickup uses a 790nm laser for CD recording and playback, and a 650nm laser for DVD recording and playback. The light emitted from each laser source is separated and combined by being transmitted and reflected according to polarization components through filters and mirrors, and is directed to the disk or detector PD.

• mirror
• Other optical parts