Next Article in Journal
An Empirical Study Comparing Unobtrusive Physiological Sensors for Stress Detection in Computer Work
Previous Article in Journal
Intelligent 3D Perception System for Semantic Description and Dynamic Interaction
Open AccessArticle

Laser Safety Calculations for Imaging Sensors

Fraunhofer IOSB, Gutleuthausstr. 1, 76275 Ettlingen, Germany
Sensors 2019, 19(17), 3765; https://doi.org/10.3390/s19173765
Received: 30 July 2019 / Revised: 23 August 2019 / Accepted: 28 August 2019 / Published: 30 August 2019
(This article belongs to the Section Optical Sensors)
This publication presents an approach to adapt the well-known classical eye-related concept of laser safety calculations on camera sensors as general as possible. The difficulty in this approach is that sensors, in contrast to the human eye, consist of a variety of combinations of optics and detectors. Laser safety calculations related to the human eye target terms like Maximum Permissible Exposure (MPE) and Nominal Ocular Hazard Distance (NOHD). The MPE describes the maximum allowed level of irradiation at the cornea of the eye to keep the eye safe from damage. The hazard distance corresponding to the MPE is called NOHD. Recently, a laser safety framework regarding the case of human eye dazzling was suggested. For laser eye dazzle, the quantities Maximum Dazzle Exposure (MDE) and the corresponding hazard distance Nominal Ocular Dazzle Distance (NODD) were introduced. Here, an approach is presented to extend laser safety calculations to camera sensors in an analogous way. The main objective thereby was to establish closed-form equations that are as simple as possible to allow also non-expert users to perform such calculations. This is the first time that such investigations have been carried out for this purpose. View Full-Text
Keywords: laser safety; laser dazzle; laser damage; imaging sensors laser safety; laser dazzle; laser damage; imaging sensors
Show Figures

Figure 1

MDPI and ACS Style

Ritt, G. Laser Safety Calculations for Imaging Sensors. Sensors 2019, 19, 3765.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop