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Laser Measuring & Optoelectronics
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Egismos has specialized in designing and building full operational solutions of photonics and optoelectronics applications for a great variety of fields of work. Our expertise lies in the tight integration of complex laser and optics systems together with unique electronics and mechanical skills, thereby achieving great accuracy in laser distance measure, laser modulation control, detection and laser sensing, as well as many other custom requirements. For this purpose, Egismos relies on strong R&D resources comprising the following divisions: Laser distance meter module, Optics, Electronics, Mechanics, Lasers, Semiconductors and Firmware development. Our teams work together by combining our know-how and year-long experience to provide the most advanced and complete integrated optical and photonic design solutions for all your applications. |
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Laser distance measure module
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Laser distance measure - USB cable
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Laser Distance Measurer Product ID Naming Rule:
| Product | Model | Measure Distance | Transfer Mode |
| LDK: Laser Distance Measure Module | 2M: Model 2 | 30: 30 meters | RS: RS232 |
| UCT: USB Converter Cable | 3M: Model 3 | 60: 60 meters | BT: Bluetooth |
| 100:100 meters |
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Laser Diode Driver IC : 10~350mA, TTL modulation with APC driver
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Disclaimer：The information summarized above is presumed to be accurate; however, it is subject to change without notice. Egismos Corp. does not guarantee the accuracy of the information and does not assume any responsibility for errors or omissions contained herein. The users must refer to the Egismos data-sheets for details.
What is the Time of Flight laser measurement ?
The Egismos Laser distance meter module uses the time of flight technology to measure the distance between the rangefinder device and a target placed in front.
One laser beam is emitted from the module with a specific modulated signal and hits a the first reflective object placed within the trajectory of the laser beam. This laser light is reflected and sent back to the rangefinder thanks to specific optics and sensors.
As the speed of light is a known value, the time difference between the emitted laser signal and the reflected one would give the distance measure of the encountered object.
What is an APC : Automatic Power Control driver ?
The laser output power of a laser diodes is influenced by many parameters : input current, voltage, temperature, age of the laser diode.
In order to maintain a stable output power, Automatic Power Control driving is the solution of choice.
It requires the signal of a photo-diode monitoring the output power of the laser emitted from the laser diode. With a control loop, the driver will then compensate any influence of the environment or of the aging of a diode by regulating the input current, so as to achieve a constant output power.In order to maintain a stable output power, Automatic Power Control driving is the solution of choice.
What is an ACC : Automatic Current Control Driver ?
The laser output power of a laser diodes is influenced by many parameters : input current, voltage, temperature, age of the laser diode.
For sensitive electronics system, the input of a stable current is necessary: in that situation an Automatic Current Control driving solution is recommended.
The ACC driver will regulate the input current to be delivered at a constant value. Due to environmental conditions and the aging of the laser diode, this driving method could show variations in the value of the output power of the laser.