Gallery View: Power, miniaturization pursuits drive laser diode category

High output power and ultrasmall size are expected to lead the trends in laser diode R&D, with application of the optoelectronic component extending to the automotive lighting industry. This is anticipated to draw more attention from manufacturers in China and encourage them to step up R&D.

In addition to automotive lighting, increasing demand for laser diodes in stage lighting, laser printers, detection devices, medical equipment, and optical communications, industrial and military applications will ensure the category's steady growth this year and 2022. According to Research and Markets, the global laser diode market reached $7.61 billion in 2018 and is projected to rise to $11.89 billion in 2024 at a CAGR of 7.71 percent from 2019.

Currently available laser diodes from Chinese companies come in red, green and blue variants. Typical wavelengths are 635, 650, 670, 690, 780, 810, 860 and 980nm, while output power ranges from 50 to 200mW, and beam angles 15 to 40 degrees vertical and 6 to 10 degrees lateral. Operating temperature is usually -10 to 80 C.

Key materials and components such as chips, PTN diodes, caps and bases come from domestic or foreign providers. Input costs were relatively stable in recent months, so prices did not fluctuate that much. Both are expected to remain unchanged in the coming months.

650nm, 5mW

VY Optoelectronics Co. Ltd's VY-M003 laser diode, with a low light attenuation, has 2.2V voltage, 650nm wavelength and 5mW output power.

The minimum order quantity is 10 units. Delivery takes seven days.

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635, 650nm

Available in 3, 4.5 or 6V and 635 or 650nm versions, this VY-M056 laser diode from VY Optoelectronics Co. Ltd has an operating current of less than 1 to 40mA and an operating life span of 7,000 hours or more.

The 10-unit minimum order has a seven-day lead time.

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650nm, 2 to 4.5mW

The VY-T0090 model from VY Optoelectronics Co. Ltd is a laser diode with 3 to 4.5VDC voltage, 650nm wavelength and less than 40A operating current. Its output power is 2 to 4.5mW. Operating life span is 6,000 hours.

An order of at least 10 units is delivered within seven days.

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830nm, 100mW

This 2.1V, 115mA laser diode from Z-Optics Ltd, the U-LD-83A051A-Preliminary, has 830nm wavelength and -10 to 50 C operating temperature. Output power is 100mW.

The supplier requires a 100-unit minimum order. Lead time is seven days.

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1,653.7nm, 10mW

From Z-Optics Ltd, this DFB-1653-CX-XX-XX laser diode has 1.6V and 100mA forward voltage and current, 1,653.7nm wavelength and 10mW output power. Its operating temperature is -20 to 55 C.

Order quantity is negotiable. Delivery takes seven days.

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510 to 530nm

Z-Optics Ltd markets this LDM520-XX-X laser diode with 9V or 2.5 to 5V operating voltage, less than 1 or 5mW, 5 to 100mW or custom output power and 510 to 530nm wavelength. It operates in -10 to 60 C.

The negotiable minimum order has a lead time of seven days.

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