LEMON Photonics 808nm and 850nm VCSEL Chips Feature High Efficiency, High Reliability, and Excellent High-temperature Performance

时间： 2023-06-10 来源：LEMON Photonics News

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It is reported that LEMON Photonics, a high-end semiconductor laser chip design manufacturer, recently launched the industry-leading high-performance high-power 808nm and 850nm VCSEL series products. Following the launch of the 940nm VCSEL series products last year, the company has further complemented its wide-power-range, near-infrared VCSEL chip series products catalog. The new series of VCSELs features high efficiency, high reliability, and excellent high-temperature performance. They can be widely used in infrared lighting and other fields such as three-dimensional sensing, Lidar, laser pumping, security, and medical treatment.

In recent years, with deeper insights and expanded application demands of VCSELs, they have entered the consumer electronics market as the infrared light source for 3D sensing applications, becoming necessary components for face recognition, gesture recognition, 3D recognition, iris recognition, ADAS (advanced driver-assistance systems) and VR/AR applications. With the continuous advancement of 5G infrastructure construction, it is foreseeable that VCSELs’ future applications and market heat would be even more prominent

Light Counting, a market research institute has predicted that the global demand for VCSEL on smartphones would be 120 million counts in 2018, and would reach 240 million in 2019. According to "VCSELS - Technology, Industry, and Market Trends", a report released by Yole Development, the overall market size of VCSELs reached $330 million in 2017, and VCSEL shipments are expected to increase from 652 million in 2017 to more than 3.3 billion by 2023. By that time, the overall market size will reach $3.5 billion, and the compound annual growth rate from 2017 to 2023 will reach up to 48%

the new 808 nm and 850 nm VCSELs from LEMON Photonics have the following characteristics

1. Wide range of specs: the output power ranges from a few milliwatts, hundreds of milliwatts, general-purpose 1W, 2W, to high-power 4-10W (continuous output) or higher (pulse output)

2. Realized industry-leading electro-optic conversion efficiency in continuous output (CW) mode, PCE ~ 48% (1W chips), PCE ~ 46% (8W chips);

3. Maintaining high performance at high temperatures, the electro-optic conversion efficiency of the 850 nm VCSELs exceeds 25% when working at a heat sink temperature of 120℃;

4. Multiple designs are used to achieve different beam divergence in order to meet the various needs of customers.

Further improvement of VCSEL chip performance requires careful manipulations of every single link in design and processing. This is not only reflected in the specific design of key features such as quantum well active region, reflective mirrors (DBR), oxide layers, etc. but also in the overall consideration for different applications and the optimization of the rear-end processes.

With the upgrading of consumption structure and manufacturing industries, consumer electronics, automotive Lidar, and industrial machine vision products have increasingly higher performance requirements for laser 3D sensing, high-temperature operational efficiency, and stability of VCSELs are among the most important indices. This series of VCSELs benefits from the optimized overall design, and has shown industry-leading high-temperature performance during clients’ comparative tests.

This series of VCSELs from LEMON Photonics is ready for mass production. They use 6-inch epitaxy and tape-out process, have extremely streamlined fabrication procedures, and have been verified in many mature 6-inch wafer foundries at home and abroad. At the same time, the products have excellent reliability and have passed the accelerated aging test of continuous light output for more than 2000h at a heat sink temperature of 50℃.

In addition to providing standardized VCSEL products with different output powers, Lemon Photonics could also provide customized design services of chips and corresponding modules tailored to customers’ needs, such as customized conventional VCSELs with beam divergence between 20 and 30 degrees, and high energy density VCSELs for dToF applications which is currently under development

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应用方案发布时间 : 2023-06-07

Lemon Photonics at EAC Automotive Industry Conference 2023

Founded in 2018, LEMON Photonics focuses on the closed loop of three core technologies of high-end semiconductor VCSEL, HCSEL, EEL laser chip + optical design + application module, and provides ultra-high-performance laser chip and laser engine overall solutions for the market.

原厂动态发布时间 : 2023-06-06

Patented VCSEL Chips with Improved Divergence Angle of 11° and Peak Optical Powers over 20W in Pulse Mode

Small-divergence High power VCSEL arrays for LiDAR and Proximity Sensor application

新产品发布时间 : 2021-04-16

LEMON Photonics Large-angle Flat-top Field VCSEL Light Laser Module Scheme for ToF

In order to solve the problems related to different solutions, LEMON Photonics proposed a variety of solutions respectively. They are large-angle flat top light field VCSEL line laser module scheme for ToF, and large angle flat top light field VCSEL line laser module scheme for OF orient.

原厂动态发布时间 : 2023-06-09

940nm 60mW VCSEL Chip with Photodiode LP000E-B060-0030Si-0312

型号- LP000E-B060-0030SI-0312

数据手册 - 新亮智能 - V.02 - 2020/05/26 PDF 英文下载

【元件】ROHM新开发LiDAR用120W高输出功率激光二极管RLD90QZW8，波长的温度影响减少66%

ROHM开发出一款高输出功率半导体激光二极管“RLD90QZW8”，该产品非常适用于搭载测距和空间识别用LiDAR*1的工业设备领域的AGV（Automated Guided Vehicle/无人搬运车）和服务机器人、消费电子领域的扫地机器人等应用。

产品发布时间 : 2023-10-25

TMIS7701 Time-to-Digital Converters for Time-of-Flight Applications in LIDAR, Range Finders, and Flow Meters

型号- TMIS7701

数据手册 - 拓尔微电子 - V0.4 - 2023.04 PDF 英文下载

【元件】罗姆推出1kW级高输出功率红外激光二极管RLD8BQAB3，大幅延长LiDAR应用产品的测量距离并显著提高分辨率

罗姆针对内置测距和空间识别用LiDAR的车载ADAS等目标应用，开发出一款高输出功率半导体激光二极管“RLD8BQAB3”。将先向无人机、扫地机器人、AGV和服务机器人等消费电子和工业设备领域用户提供新产品样品。

产品发布时间 : 2024-09-27

【元件】面向汽车及工业近中距离LiDAR应用，高意推出新型VCSEL照明模块平台，总功率转换效率超越30%

深度传感器应用半导体激光器行业的领导者之一——COHERENT高意近日宣布推出新型照明模块平台，专门面向汽车安全与工业机器人视觉领域的近中距离光探测与测距（LiDAR）场景。Coherent高意已成功演示新的解决方案，其中照明区域（FOI）可划分为多个可选择性寻址的水平分层。除了紧凑的规格和出色的功率转换效率，新模块在成本方面也远优于大型可寻址VCSEL阵列。

产品发布时间 : 2024-01-19