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[PPG wearable devices] PPG wearable devices Photoplethysmogram (PPG) measures blood volume changes in blood vessels. The changes reflect the heart rate and the blood oxygen concentration. 465-nm, 520-nm, 660-nm, 805-nm and 940-nm are typic..

[Photocatalytic sterilization] Photocatalytic sterilization Light absorbed by photocatalytic materials to generate free radicals, which is cytotoxic. It has been applied for water disinfection, sterilization of surgical instruments, remova..

[Low-Level-Laser Therapy (LLLT) for Healing] [LLLT for Beauty] [LLLT for Fat layer reduction ] Low-Level-Laser Therapy (LLLT) for Healing Current researches showed that the cytochrome c oxidase in the mitochondria can be activated by r..

UV-Clean Air Box, the new project of IAREX for self protection to corona virus and other disease infection through the air. This project concept is developing one portable box for the business man traveling. As the  virus can infect people through th..

[What is IoT? (IoT)] [The concept of the IoT first appeared in 1982] [The term IoT first appeared in 1999] [How does IoT works?] [Architecture of Internet of Things] [IoT with IADIY ] What is IoT? (IoT) The word Internet of Thing..

Photonics Blog has finally arrived.The photonics store we put the laser diodes, laser modules, laser collimating lens and camera lens modules product lines first. We'll continue update more convenient off the shelf products and intigrated solutions t..