China's Independent Research And Development Of A New Generation Of Laser Gyroscope Special Chip Launched

Recently, the domestic new generation of laser gyro drive series function chip was launched, by the Hunan two zero eight advanced science and technology limited company (hereinafter referred to as "two zero eight company") technology team research and development. Compared to the industry generally used in the last generation of laser gyro drive control circuit, laser gyro drive special chip to reduce the circuit design difficulty, significantly reduce the volume and weight, to achieve the low-cost localization of China's laser gyro circuits, the laser gyro products to take a step forward in high integration, a key step in localization.
Laser gyroscope as the core component of the navigation system is a kind of inertial navigation system, compared with the familiar GPS and BeiDou and other satellite navigation systems, familiar with inertial navigation system of very few people. In fact, the emergence of inertial navigation system is more than half a century earlier than the satellite navigation system, the satellite navigation system can realize the combination of navigation and inertial system to further improve the accuracy of the navigation system, but can not completely replace the inertial navigation system, inertial navigation system can not only provide position information, but also can resolve the carrier attitude information, to realize the satellite navigation system can not be realized function. In addition, the inertial system does not need any external information source, and can be operated at any time in a variety of scenarios such as deep sea, deep space, etc., and is able to resist electronic interference, and can still keep working in the case of GPS and other satellite navigation systems failing to work. Therefore, the inertial navigation system is the modern aviation, navigation, aerospace and other fields of bonding equipment, laser gyroscope and other inertial devices are irreplaceable important sensors, and its technical level is also a measure of a country's industrial technology development level is one of the important symbols.
In the 1960s, the United States took the lead in the successful development of laser gyroscope, and then in the world triggered a revolution in the field of navigation. Due to its strategic importance, for a long period of time, laser gyroscope-related products and technologies have been Europe and the United States to implement the technology embargo, China until 1994 in the National University of Defense Science and Technology Professor of the former School of Optoelectronic Science and Engineering, Academician of the Chinese Academy of Engineering, "the father of the laser gyroscope," Gao Bolong, under the leadership of the first laser gyroscope, which became the first laser gyroscope in the United States. The first laser gyroscope, becoming the world's fourth independently developed laser gyroscope country.
"The laser gyroscope is mainly composed of two parts, the control circuit and the sensor body, of which, the control circuit is the 'brain' of the laser gyroscope, is the most complex part of the performance and reliability of the laser gyroscope, but also one of the main breakthroughs to reduce costs and improve ease of use. " Lu Guangfeng, founder and chief expert of TwoZeroEight, said, "The previous generation of laser gyro drive control circuit adopts the form of discrete devices, which is not only large in size, but also requires manufacturers to buy hundreds of types of parts to assemble on their own, resulting in the lack of unified standards, low integration, high cost and other issues."
In order to make up for the high cost of laser gyroscope "fatal" defects, to promote the popularization of localized devices, two zero eight company drilled for many years, the successful development of a new generation of laser gyro drive series of functional chips. This series of chips consists of five independent function chips, respectively, to achieve the laser gyro's high-voltage glow, high-voltage maintenance, precision current stabilization, jitter drive, frequency stabilization and optimization of the locking region. Compared with the previous generation of laser gyro drive control circuit, the dedicated series of chips greatly reduces the difficulty of circuit design, reduces the volume by one-third, and reduces the cost by half, which further promotes the low-cost localization of the laser gyroscope, and opens up a space for further expansion of applications. The successful development of this special chip reflects the leading R&D capability of Zero8 in this field.