The right instrument. A beam path that works.

Optics PhDs help you compare models, design the beam path and install on site. Support in English, Japanese and Chinese.

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One engineer from selection to alignment

Fiber spectrometer: from lab bench to inline QC

One engineer from selection to alignment

Start from your problem Unstable spot, results you cannot reproduce, a beam that will not align? Start from the problem you have. Browse by problem →

Browse products Lasers, spectrometers, beam analysis, optics and inspection systems, with specs at a glance. All products → About us A team of optics PhDs who understand both measurement and procurement. Meet the team →

Instruments labs and production lines rely on

Not sure a model fits your wavelength, power or accuracy needs? Ask an engineer first.

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Beam Analysis

CMOS Beam Profiler

Selection guidance for beam observation, position records, and alignment. Share wavelength, power, operating mode, and spot size to discuss detector suitability, attenuation, mounting, and data export. Confirm model, range, and analysis functions against documentation and quotation.

WavelengthTBD

Pixel sizeTBD

InterfaceTBD

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Lasers · New

Narrow-Linewidth CW Diode Laser

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Spectrometers

Compact Fiber Spectrometer

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Optics

Achromatic Doublet Lenses

Selection guidance for imaging, collimation, and experimental layouts. Share wavelength, focal length, clear aperture, and available space to discuss lenses and mounts. Materials, tolerances, coatings, and operating conditions are subject to confirmed manufacturer drawings.

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We do not just sell instruments. We get your setup working.

The same engineer stays with you from the first call to on-site alignment, so nothing gets lost between sales and support.

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Instrument selectionTell us wavelength, power and budget. Get options you can compare side by side.

Beam path designSimulate before you buy, so parts fit when they arrive.

Installation and alignmentOn site or remote: install, align and sign off. Start measuring on delivery day.

Measurement methodsDocumented procedures for R&D and QC, so results hold when operators change.

Optical Application Concepts and Support

Universities and research laboratories · Beam measurement planning

[Concept] Laser Beam Quality Measurement Setup

An application concept covering beam observation, optical layout, and data recording, from requirements to a verification plan. This is an illustrative proposal, not a delivered customer project.

Manufacturing · Spectral inspection integration

[Concept] Inline Spectral Inspection: Selection and Integration

A practical planning example based on sample characteristics, acquisition timing, and data interfaces. This is an illustrative concept, not a customer acceptance result.

Optical research and development · Optical layout and alignment

[Concept] Beam Expansion and Collimation Planning

An application example covering requirements and alignment planning, with attention to beam size, available space, and interface compatibility. This is not a completed customer project.

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News

2026.09.28 Notice [Sample] Beam Analysis Product Guide: Spot Shape, Size, and Position 2026.09.28 Notice [Sample] Spectroscopy Product Guide: Applications and Spectrometer Selection Requirements 2026.09.28 Notice [Sample] KASEI OPTICS Instrument Selection: From Application Needs to Product Configuration 2026.09.27 Trade show [Sample] Optics Exhibition Discussion Topics: Lasers, Spectrometers, and Beam Measurement

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Tell us what you need to measure

Share your wavelength, sample and accuracy needs. An engineer will send a first proposal within 2 business days.

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