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USHIO launches new series of high-temperature 660 nm laser diodes

NEWS RELEASE: January 2021

USHIO has released a new single mode series of 660 nm laser diodes (LDs) featuring an increased high-temperature operation of up to 90°C. Providing optical output power of 100 mW (CW) / 200 mW (pulsed), HL65241DG / HL65242DG / HL65243DG will have an operating temperature range of -10°C to 90°C, making this series well-suited to sensing and biomedical applications.

Within the sensor market, 5G and IoT-related (Internet of Things) applications are currently experiencing rapid growth, bringing a steadily increasing demand for semiconductor and electronic components along with it. Due to the effects of the worldwide Coronavirus pandemic, manufacturers are investing in factory automation (FA) in an effort to improve their production efficiency, while the demand for FA sensors is also growing in logistics-related industries. In particular, photoelectric sensors with LDs are widely used as non-contact sensors to check for the existence and recognition of 2D and 3D objects.

Due to the increasing number of applications that require high-temperature operation and reliability, Ushio has worked to improve the temperature characteristics of its 660 nm LDs within the high-temperature range through the optimisation of crystal growth conditions. As such, Ushio has successfully improved on the previous maximum operating temperature by 15°C, thereby creating added value, increased reliability, and differentiation of equipment within the field of high-end sensors

download HL65241DG / HL65242DG / HL65243DG data sheet >


HL65241DG / HL65242DG / HL65243DG


Features of HL65241DG / HL65242DG / HL65243DG – 660 nm red laser diodes

  • Optical output power: 100 mW (CW), 200 mW (pulse)
  • Lasing wavelength: 660 nm
  • Operating temperature: -10° to 90°C
  • Single transverse mode
  • TE mode oscillation
  • Selected built-in monitoring photodiodes available
  • Three different connection types available (CC, AC, or FN)
  • 5.6 mm CAN package


  • Sensing
  • Biomedical


USHIO laser diodes

All USHIO high performance laser diodes are available from the Optoelectronics Company. Please contact the Optoelectronics Company to request samples for testing.

about USHIO

USHIO OPTO SEMICONDUCTORS, INC. manufactures world class laser diodes and other optical devices utilising their unique laser technologies and manufacturing expertise. The product line-up includes high power red laser diodes for displays, red laser diodes for medical and measurement applications, violet laser diodes for exposure equipment and infrared emitting diodes for optical encoders.

USHIO’s high performance laser diodes are proven to consume a low operating current which extends battery life whilst maintaining the integrity of the laser diode power in a variety of applications such as inspection, measurement and biomedical applications and as a light source for optical equipment.

All USHIO diodes are RoHS compliant.



The Optoelectronics Company is a manufacturer of custom-designed and standard laser diode modules and laser diode collimators. It is also a supplier of USHIO (ex Oclaro ex Opnext) Laser Diodes and LEDs, OSRAM laser diodes and Panasonic Aspherical Glass Lenses to customers throughout the UK, Europe and USA.

contact details

For more information about the Optoelectronics Company please visit our website at www.oe-company.com or contact us at: Green End Farm, Wood End Green, Henham, Hertfordshire, CM22 6AY, UK, tel: +44 (0) 1279 851851, email: info@oe-company.com.


This news release is issued in accordance with clause 1.2j of the British codes of advertising and sales promotion and therefore cannot be subject to a transaction of any kind.