4D Sensing - For Data & AI

Apple LIDAR Demystified: SPAD, VCSEL, and Fusion…

By sensing-aiot February 28, 20214D Sensing, 5G/Mobile, AIoT, AR, General Sensing, Image Sensing, LIDAR, Time of Flight

Figure 1. Apple’s promotion of DTOF This article analyzes Apple’s LiDAR sensor and the technologies behind it. First, this article discusses the following: dToF principle, receiver (RX), illumination (TX), and…

Samsung iToF

By sensing-aiot February 27, 20214D Sensing, General Sensing, Time of Flight

ISSCC 2021: Samsung presents “A 4-tap 3.5μm 1.2Mpixel Indirect Time-of-Flight CMOS Image Sensor with Peak Current Mitigation and Multi-User Interference Cancellation” by Min-Sun Keel, Daeyun Kim, Yeomyung Kim, Myunghan Bae,…

Lidar Market: >$556B by 2026

By sensing-aiot February 23, 20214D Sensing, Autonomous Vehicle, Image Sensing

Lidar ranging methods can be divided into Time of Flight (ToF) and FMCW ranging methods based on coherent detection, and triangulation ranging methods. ToF and FMCW can achieve remote measurement…

Sony SPAD Lidar demystified!

By sensing-aiot February 23, 20214D Sensing, General Sensing

ISSCC 2021: Sony SPAD for LiDAR Achieves 22% PDE at 905nm Sony reports developing SPAD sensor for ist LiDAR with a record Photon Detection Efficiency (PDE) of 22% at 905nm, more…

LIDAR: EV/EBITDA Comparision

By sensing-aiot February 19, 20214D Sensing, Autonomous Vehicle, General Sensing, LIDAR, Time of Flight

BusinessWire: “The enterprise value (EV) to the earnings before interest, taxes, depreciation, and amortization (EBITDA) ratio varies by industry. However, the EV/EBITDA for the S&P 500 has typically averaged from…

3D: Coherent 3D Imager

By sensing-aiot February 11, 20214D Sensing, Optics, Photonic

A Nature paper “A universal 3D imaging sensor on a silicon photonics platform” by Christopher Rogers, Alexander Y. Piggott, David J. Thomson, Robert F. Wiser, Ion E. Opris, Steven A.…

Metalens: Flat Lens are coming.

By sensing-aiot February 5, 20214D Sensing, Optics

Techcrunch: Metalenz raises $10M in series A investment to productize flat lens for camera module. “ We’re really using all standard semiconductor processes and materials here, the exact same equipment — but…

AR: Apple’s first AR/MR Headset will Launch in Q12022

By sensing-aiot February 4, 20214D Sensing, AR, General Sensing, Market Invest

Taiwan’s Supply Chain being the Winner A new rumor from China Times business segment states that JPMorgan Chase Securities Technology Industry Analyst Yang Weilun is predicting that Apple may release headset…

LiDAR: “dToF”, “iToF” vs. “FMCW”

By sensing-aiot January 31, 20214D Sensing, Time of Flight

Lidar can take on several different modalities, which can be classified by their dependence on incoherence or coherence of the laser source which is used. Each of these methods uses…

3D Sensing: Microsoft ToF Targets Industrial Applications

By sensing-aiot January 29, 20214D Sensing, AIoT, Market Invest, Time of Flight

To win in the 3D sensing market, performance is a key factor. At the same time, the cost and the ecosystem are also vital. Microsoft has announced the best in…