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The Japanese Micro Optical Device's frequency-stabilized HeNe laser series achieves frequency stability with measurement errors of 0.01 nm - 1 nm per meter. As a laser light source mounted in measurement devices for lens measurement for smartphones and automotive cameras, flatness measurement of semiconductor wafers, and birefringence measurement for photomasks and exposure equipment stepper, it has a proven track record of over 1,000 units produced for domestic and international equipment manufacturers. We offer three types of lineup according to application and precision (YS-307 / QQD / QS). The 'QQD' is a Zeeman laser that stabilizes the difference frequency generated by orthogonal two frequencies in a transverse magnetic field. It allows for easy configuration of a heterodyne interferometer with orthogonal two frequency output. By adopting a two-stage stabilization control and a dual heater system, we suppress the influence of environmental temperature changes and expand the effective operating temperature range. This maintains frequency stability even under long-term continuous operating conditions. * For more details, please download the catalog or feel free to contact us.

This is a frequency-stabilized He-Ne laser manufactured by Japan Micro Optical Instruments, suitable for precise interference measurements in the range of nanometers to sub-nanometers. We offer three types of models tailored to different applications and accuracy requirements (YS-307 / QQD / QS). <Main Features of QQD> - Measurement error of 0.1 nm per meter - A Zeeman laser with stabilized orthogonal two-frequency difference generated in a transverse magnetic field, allowing for easy configuration of a heterodyne interferometer - Maintains frequency stability even under long-term continuous operation conditions through two-stage stabilization control and a dual heater system <Other Product Lineup> YS-307: Achieves ultra-high frequency stability of 10⁻¹¹, with frequency fluctuation width less than 1/20 of competing products, while simultaneously providing high output of 3 mW in single mode. QS: Stabilizes the power ratio of two oscillation modes, capable of outputting in both single mode and dual mode. This is a widely applicable laser for nanometer measurements across various fields. *For more details, please download the catalog or feel free to contact us.

For more details, please contact us.

For more details, please contact us.

Japan Micro Optical Device Co., Ltd. Frequency Stabilized HeNe Laser 'QQD'

- Lens measurement device for smartphones and in-vehicle cameras - Flatness measurement device for semiconductor wafers - Birefringence measurement device for photomask and exposure equipment steppers As a measurement light source, over 1,000 units have been delivered to domestic and international equipment manufacturers in total.