Optical Sensors - Reflective - Analog Output are a distinct class of sensors that work by emitting light and measuring the light that is returned back to the device after it reflects off a target. Their primary function is to detect the presence, absence or change in position of an object. These sensors work on the principle of light reflection and essentially transform the reflective light signal into an analog output which can be used for further processing in the connected systems. This analog output can represent information such as distance, presence, color, and brightness.
These reflective optical sensors are versatile and can be designed for diverse applications like automation systems, robotics, automotive applications, medical devices, and even in safety and security systems. Their main characteristics include high sensitivity, compact size, resilience in various light conditions, and the ability to work over varying distances. They are often selected for their precision, quick response time, and their ability to work well in both indoor and outdoor environments. Some notable manufacturers of these devices include Omron, Panasonic, Honeywell, and Vishay.