About Ushio

The Ushio laser diode business (formerly part of Hitachi, and more recently Opnext and Oclaro) was incorporated into the Japanese Ushio Group in 2014, as Ushio Opto Semiconductors Inc. Ushio Opto Semiconductors also includes their Epitex LED division giving them multi-technology approach in responding to the photonics industry.

The Ushio Laser Diodes Range

The laser diode product range from Ushio is broad. They offer both visible and infrared laser diodes. Blue-violet laser diodes at 404nm and 405nm have output powers ranging from 150mW to 3.5W. Red laser diodes from 633nm to 690nm are at 5mW – 2400mW. Finally, the near IR laser diodes range from 705nm to 852nm with output powers upto 210mW.

Applications

Ushio laser diodes are used for a wide array of applications, which includes medical equipment, display, printing and industrial tools such as sensors and levellers. More specifically, Ushio’s UV laser diode range is most suited for direct imaging applications while the 635nm diodes are most applicable in the construction industry and are used in display tools and levellers. Medical and sensor applications may use laser diodes in the 650nm to 660nm range. Barcode scanners and other measurement tools generally require wavelengths between 670nm and 690nm. The infrared laser diodes are advisable for security sensors.

Why Ushio Laser Diodes?

With over 30 years’ experience in the design and manufacture of semiconductor laser diodes, Ushio has a well-established reputation in the photonics industry. Ushio’s broad product range enables them to meet most application needs. In addition, all Ushio Opto Semiconductor products are RoHS compliant.

With more than two decades of experience in providing laser diode technology and manufacturing laser diode modules, ProPhotonix has the technical expertise to support you to select the right laser diode for your application. Use our laser diode selector to view our full offering of laser diodes and to download the datasheets.

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In the last of our ‘laser diodes by color’ blog series, we will dive into the diverse range of applications of green laser diodes, exploring their role in medical, industrial, defense, and scientific research fields. 

Green Laser Diode Applications 

ProPhotonix offers a range of newly upgraded 515nm and 520nm direct emission green laser diodes, now more efficient than ever. With output power levels up to 140mW, our green laser diodes offer superior reliability and precision for a wide range of applications from laser projection and holography to biomedical imaging and metrology. Let’s find out more. 

Medical Applications 

Green laser diodes are integral components of medical equipment used in medical imaging and diagnostics providing accurate measurement, alignment and targeting capabilities. Their high visibility and sharp laser line make them ideal for accurately positioning patients for scanning, especially across different skin tones. Additionally, green lasers find diverse therapeutic applications in aesthetic treatments such as acne treatments and fat reduction. 

Communication and Data Transmission Applications 

Green lasers can penetrate water, making them suitable for underwater communications. Green laser diodes are also preferred in bathymetric LIDAR which is used extensively to capture geospatial data from shallow waters and the coastline. The shorter wavelength of green laser diodes extends the detection ranges of bathymetric LIDAR without compromising data accuracy. 

A record high-speed long-distance underwater optical wireless communication (UOWC) system based on low-power 520 nm green laser diodes demonstrated real-time data rates up to 4.60 Gbps. [1] Such green laser diode-based systems are also used for sea floor monitoring, oceanography investigations and more. 

Industrial and Manufacturing Applications  

Green lasers suit the requirements of traditional laser cutting and engraving applications providing a sharp laser beam for efficient materials processing. Green laser diodes are also used in manufacturing processes for precision measurement, alignment and quality control. 

Scientific Research 

Green laser diodes are also playing a significant role in a wide range of scientific endeavors and experiments, including light scattering studies, fluorescence spectroscopy, bioinstrumentation, and interferometry, showcasing their versatility and importance in scientific research.  

Conclusion 

In this blog, we’ve explored the diverse applications of green laser diodes across various industries and fields, demonstrating their versatility and importance in modern technology. At ProPhotonix, we have partnered with leading laser diode manufacturers such as Osram for over two decades, enabling us to offer compact and high-quality 515nm and 520nm green laser diodes with power levels up to 140mW.  

Whether you’re looking for the most suitable green laser diode for an application in the medical, industrial, or communication industry, our technical team can help you understand the specifications and provide laser solutions tailored to your needs. Contact us now for free expert advice. 

Enhance your laser diode technology with our premium green laser diodes, renowned for their exceptional quality. Explore our extensive range of color laser diodes including red laser diodes, green laser diodes, violet laser diodes , blue laser diodes and IR laser diodes tailored to meet your specific industry needs. Discover our complete laser diode offering and elevate your business capabilities now.

Sources: 

1. X. Liu, S. Yi, X. Zhou, Z. Fang, Z. Qiu, L. Hu, C. Cong, L. Zheng, R. Liu, and P. Tian, “34.5 m underwater optical wireless communication with 2.70 Gbps data rate based on a green laser diode with NRZ-OOK modulation,” Opt. Express  25, 27937-27947 (2017).

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Applications in Data and Communications 

The evolution of high-density storage enabling blu-ray technology owes much to blue laser diodes. Their shorter wavelength enables higher data densities on discs, enhancing storage capacity. Not only do blue lasers improve optical storage, but they have also transformed the entertainment industry, enabling the creation of high-definition films and gaming experiences. Additionally, white light based on blue laser diodes has become the rapidly growing technology for high-speed Visible Light Communication (VLC), an emerging technology for high-speed data transmission. [1] 

Medical Applications 

In the healthcare industry, blue laser diodes play a crucial role in various diagnostic and therapeutic tools. They power devices used in flow cytometry, medical imaging, DNA sequencing, and bio-fluorescence analysis. Their precision and efficiency are reshaping surgeries, diagnostics, dental and therapeutic treatments, leading to improved outcomes and patient care.  

Industrial and Scientific Uses 

The high precision of blue laser diodes due to their higher photon energy associated with shorter wavelengths has led to their extensive application for materials processing and surface analysis. These laser diodes are also well suited for the automotive and additive manufacturing industry owing to their accuracy and capability to work with various materials.  

Conclusion 

Blue laser diodes applications continue to expand, promising further breakthroughs in data storage, medical advancements, and industrial applications. As laser technology develops further, the future holds even more promising applications and enhancements leveraging blue laser diode technology. 

If you are seeking expert guidance for selecting the most suitable blue laser diode for your application, ProPhotonix is the ideal partner. ProPhotonix has worked with laser diode manufacturers such as Ushio and Osram for more than two decades, offering compact, high-quality 450nm and 488nm blue laser diodes with power levels up to 3500mW. 

Contact us to explore the limitless possibilities offered by a wide range of high power and high-quality laser diodes by color. 

Enhance your laser diode technology with our premium blue laser diodes, renowned for their exceptional quality. Explore our extensive range of color laser diodes including red laser diodes, green laser diodes, violet laser diodes and infrared laser diodes, tailored to meet your specific industry needs. Discover our complete laser diode offering and elevate your business capabilities now.

Sources:  

1. Ali A, Li Q, Fu H, et al. (2022) Blue Laser Diode-Based Visible Light Communication and Solid-State Lighting. Antenna Systems. IntechOpen. Available at: http://dx.doi.org/10.5772/intechopen.100106.

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