RLD90QZW8 (Under Development)
905nm, 120W, 270μm Invisible Pulsed Laser Diode

RLD90QZW8 realizes a longer detection distance and improved sensing accuracy due to its narrow emission width. ROHM's unique structure makes it possible to achieve high energy conversion efficiency and reduce wavelength fluctuations, and contributes to lower power consumption and longer life. Uses the industry standard Φ5.6 package. Ideal for automatic guided vehicles (AGV), and security applications.

Product Detail

Part Number | RLD90QZW8 (RLD90QZW8-00A for Sample)
Package | φ5.6mm CAN
Unit Quantity | 500
Minimum Package Quantity | 500
Packing Type | Tray
RoHS | Yes


Wavelength λp[nm]


Optical Output Po (Max.Rating)[W]


Forward Current IF (Max.Rating)[A]


Optical Output Po[W]


Forward Current IF[A]


Forward Voltage VF[V]




θ// [deg]


Emission area [μm x μm]

270 x 10

Measurement pulse condition

Pulse width 50ns duty 0.05%

Topr (Max. Rating) [℃]


Package Size [mm]


Find Similar


  • Optical output power 120W(Pulse)
  • Narrow light emission pattern
  • Φ5.6 metal stem

Supporting Information



The RLD90QZW8 is a 120W infrared high output laser diode developed for LiDAR used in distance measurement and spatial recognition in 3D ToF systems. Original device development technology allows ROHM to reduce the temperature dependence of the laser wavelength by 66% over general products, to just ⊿11.6nm (Ave. 0.10nm/°C). This makes it possible to narrow the bandpass filter while extending the detection range of LiDAR. At the same time, a uniform light intensity of 97% is achieved over the industry's smallest class* of emission width of 270µm, representing a range of 264µm that contributes to higher resolution. Additional features that include high power-to-light conversion efficiency (PCE) enables efficient optical output that contributes to lower power consumption in LiDAR applications.

*ROHM November 29th, 2023 study

Laser Wavelength of RLD90QZW8

Application Examples

Consumer: Robot vacuums, Laser rangefinders
Industrial: AGVs (Automated Guided Vehicles), service robots, 3D monitoring systems (sensors for human/object detection) and more...

Reference Design / Application Evaluation Kit

    • Reference Design - REFLD002
    • Laser Driver Reference Design with GaN HEMT for High-Resolution LiDAR
    • The range of uses for LiDAR sensors is expanding to include not only autonomous driving, but also applications in the industrial and infrastructure fields. LiDAR sensors are required to have longer sensing distance and higher resolution, and in addition to improving the characteristics of the laser diode, it is necessary to drive the laser diode at higher speeds and power. ROHM offers a lineup of 905nm high power narrow emission width laser diodes. (RLD90QZWx Series) Reference designs are available that includes EcoGAN™, a next-generation device capable of high-speed drive, along with a high-speed gate driver for GaN HEMTs that contribute to improved LiDAR sensor characteristics (distance and resolution) .

      • Enables high-speed driving of laser diodes - a key device in LiDAR applications
      • Includes next-gen EcoGaN™ devices
      • Built-in high-speed gate driver for GaN HEMTs (BD2311NVX-C)
      • Two circuit types: square wave and resonant


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