And although the CMOS sensor is not very clear, but this does not prevent Jiang from the thinking judgment, after hearing the key word "digital ballistic camera", he immediately reacted to the CCD ballistic camera currently being developed in the world, thinking that this CMOS sensor should be an optical light sensor with similar performance.

"Of course, I know that digital ballistic cameras are the future development direction, but there seems to be no unit in China that can develop qualified optical sensors, is it possible that you are making this thing?"

Optical sensor is an indispensable part of digital ballistic camera, Shudu Institute of Optics and Mechanics is also a well-known Institute of Precision Optics in China, can carry the name of the Institute of Optoelectronic Technology of the Chinese Academy of Sciences, and must also pay attention to the cutting-edge technology of electronic optical sensors, therefore, Chief Engineer Jiang is very clear about the difficulty of this thing.

At present, the CCD sensor commonly used in the world is an absolutely high-end product, and its product production requires a unique special production process, coupled with a low yield rate, which is destined to be impossible for domestic technology to do, and it must be considered that the CCD optical sensor at this time is not too big a market.

There is no technology and no market, which is the biggest problem encountered in the development of CCD optical sensors in China, and it is not possible to solve it in a short time.

In the last plane, the republic also waited until 97 to develop the first digital ballistic camera, and the optical sensors used were not produced domestically, after all, the demand was not large, and it was impossible to directly purchase foreign civilian-grade products.

Fortunately, Wang Zhengguo is not recommending a CCD sensor, but a CMOS sensor with lower technical difficulty at present.

"Yes, we are indeed developing a digital optical sensor, using CMOS technology, and have made a prototype of the technical principle, and are currently making deep improvements to the sensor, and it is expected that its performance is completely comparable to the current mainstream CCD sensor, and there will be no problems when used in digital ballistic cameras. ”

To convince the chief engineer of the Institute of Optics and Mechanics to accept CMOS sensors, this is the first step that Wang Zhengguo needs to break through, if this cannot be solved, nothing else will be possible.

At this time, the spirit of pure scientific research comes into play, people who can insist on doing pure scientific research, they are usually not bound by tradition, CCD sensor is the mainstream of the industry, but it does not mean that there are no other optical sensor solutions, Jiang Zonggong is convinced of this.

Cheer up and invite Wang Zhengguo and Xu Guangcheng into the office to talk in detail, he has a hunch that this will be a big project.

The layout of the new office is very simple, many things have not been added in place, and I found two wooden stools to sit down, Wang Zhengguo can clearly feel that the four legs of this stool are not the same length, and I always feel wobbly when I sit up.

"Well, I really haven't heard of the CMOS optical sensor you mentioned before, can you give us an overview of it?"

.......

About the introduction of CMOS optical sensors, someone has already memorized the rolling melon, to introduce, it is also effortless, less than ten minutes to complete the general introduction.

As the listeners, Chief Engineer Jiang and Xu Guangcheng were both bright-eyed, they heard for the first time that they could use the CMOS process to produce microprocessor chips to produce digital optical sensors, this technology is amazing, as long as the performance can be guaranteed not to be much worse than CCD, it is really impossible to think of the possibility of not being popular.

"Okay, tomorrow I will come to your laboratory to study CMSO sensors, as long as the technology is indeed feasible, the ballistic camera R&D department of our Institute of Optics and Mechanics will immediately change the technical route, and send enough people to jointly tackle the project. ”

All the lithography machine departments of Shudu Optomechanics, there is a newly established adaptive optics department, of course, it is impossible to miss the department specializing in ballistic cameras, and the current three major departments are in the three-legged trend within the Institute of Optics and Mechanics, among which the adaptive optics that Jiang Wenhan, the chief engineer of the institute, is personally responsible for.

What the three major departments will develop into in the future depends on their respective industry circumstances, anyway, the ballistic camera department is the most difficult to mix, and the equipment they study is almost impossible to have civilian possibilities, and there is no room for large-scale development.

"For the ability of the Institute of Optics and Mechanics, it must be recognized, this time we mainly want to put the corresponding CMOS sensor technology into practical use, to be able to really make a camera, now foreign countries have used CCD sensors to make a variety of cameras, we must not lag behind. ”

The digital cameras of the 80s were not yet fully mature due to hardware problems, but there were already consumer electronics manufacturers and traditional camera giants who launched a variety of experimental products, with a variety of styles and technical routes, and they were also slowly promoting the maturity of products.

And if you want to talk about the most historic digital camera in the 80s, it must be said that in 1981, Sony produced the Mavica, which was the first digital camera with an interchangeable lens design, with a sensor area of about 12mm×10mm, with 570×490≈2800 pixels, with three lenses: standard zoom, medium focus and telephoto.

The emergence of digital cameras has given the traditional camera market a chance to reshuffle, and those traditional film camera giants that cannot keep up with the changes of the times will fall, and consumer electronics companies that have never developed cameras before can also have the opportunity to get a piece of the pie, Sony is such an existence, and even after that, Apple will also produce digital cameras.

The immaturity of consumer digital cameras in the 80s was mainly due to the fact that they could not balance their size and performance, so they could not be as portable as film cameras, and coupled with the high price, they were destined to be experimental products.

As for whether the technical level at this time can support the research and development needs of ballistic cameras, Wang Zhengguo said: It is not a problem at all.

First of all, in terms of volume, ballistic cameras are originally big guys, even in the film era, a set of equipment still weighs dozens of kilograms, and this kind of precision optical instrument is usually fixed on the rack, and portability and mobility are not considered at all.

As for the pixels and photosensitive area of the sensor itself, this is indeed limited by the CMSO process in the 80s, the larger the size, the lower the yield, and it is almost very difficult to make the mainstream 135 film camera film size (36mmX24mm) sensor at this time.

Of course, it is certainly impossible for a ballistic camera to use a 135-format negative, which is absolutely not enough, as a special camera, the film size has been made to the 100mmX100mm level in the era of film cameras.

Such a huge photosensitive area is naturally to ensure that the ballistic trajectory map is clear enough, and now to make a digital ballistic camera, the sensor area must also be solved.