Connect with us
Canadian scientists have figured out how to reduce lenses Canadian scientists have figured out how to reduce lenses

News

Canadian scientists have figured out how to reduce lenses

Published

on

A significant part of the length of the lens, as a rule, falls on the gaps between the optics, which are filled with air. By reducing them, the lens could be made more compact. However, the spacing is not a whim of the designers. To reduce them, it is necessary to change the optical properties of the medium.

Researchers from the University of Ottawa suggest doing this by placing spacers made of metamaterial with a negative refractive index between the lenses. There is no such metamaterial, but its properties can be reproduced using metasurfaces that change the path of light, not through the use of curved glass or plastic elements, but through tiny flat structures. And if, instead of conventional lenses, you use flat metal lenses, combining the spacers with them, you can get a very thin optical system.

Canadian scientists have figured out how to reduce lenses

The idea is still under development, but some testing has already been done. The compression ratio is said to be R = 5. According to scientists, if they can achieve an R = 40 ratio by combining multiple layers of metasurfaces, it would be equivalent to reducing the lens thickness of a typical smartphone camera from 1 mm to 0.1 mm.

Scientists were able to demonstrate that the spacer does not affect the focal length, works in the entire visible range and provides high light transmission. For their manufacture, it is planned to use already known technical processes, which should simplify the development of serial production.

The source attributes industrial equipment and AR and VR headsets to the most likely first applications for flat lenses, warning that if this technology will come to interchangeable lenses, it will not be soon.

Click to comment

Leave a Reply

Your email address will not be published.

Electric Cars

Mid-size youth crossover with dynamic design, 188 hp engine. and the EaglePilot 7.0 driving assistance system for $15,000. Changan Oshan Z6 introduced

Published

on

Mid size youth crossover with dynamic design 188 hp engine and

We have already talked about the Changan Shenlan SL03 electric car, which was shown at the auto show in Chongqing, China, and now we are talking about a more affordable model, but in a more popular format – the Changan Oshan Z6 crossover.

Mid-size youth crossover with dynamic design, 188 hp engine.  and the EaglePilot 7.0 driving assistance system for $15,000.  Changan Oshan Z6 introduced

Oshan is Changan’s youth-oriented car brand. As part of the line, there are expensive models, and more affordable ones. Oshan Z6 is one of the latest.

Mid-size youth crossover with dynamic design, 188 hp engine.  and the EaglePilot 7.0 driving assistance system for $15,000.  Changan Oshan Z6 introduced

Petrol version
Mid-size youth crossover with dynamic design, 188 hp engine.  and the EaglePilot 7.0 driving assistance system for $15,000.  Changan Oshan Z6 introduced
Hybrid

The crossover stands out for its exterior with many sharp lines – something similar is in the Lexus. At the same time, the rear of the car is reminiscent of the Jaguar F-Pace with its long narrow lamps. In general, Oshan Z6 has two conceptual versions: the base one with a conventional internal combustion engine, the top one is a rechargeable hybrid. They, of course, differ in power parameters and price, but there are slight differences in the exterior and interior.

Mid-size youth crossover with dynamic design, 188 hp engine.  and the EaglePilot 7.0 driving assistance system for $15,000.  Changan Oshan Z6 introduced

Petrol version
Mid-size youth crossover with dynamic design, 188 hp engine.  and the EaglePilot 7.0 driving assistance system for $15,000.  Changan Oshan Z6 introduced
Hybrid

Car dimensions – 4699 x 1890 x 1660 mm, wheelbase length – 2795 mm. The standard wheels for this car are 225/55 R19, in the top version – 245/50 R20. The front uses MacPherson struts, the rear suspension is multi-link.

The top version of Oshan Z6 has as many as three screens, which is not quite typical for this price category. The main diagonal of 12.3 inches is fixed on the front panel, the instrument panel uses a screen with a diagonal of 10.25 inches. Finally, a third 9.1-inch screen is installed at the top of the center console, it is used mainly for navigation – displaying a map and tips. The top version also has a projection screen and the EaglePilot 7.0 driving assistance system, which includes 12 ultrasonic sensors, 3 mm radars and 5 cameras.

Mid-size youth crossover with dynamic design, 188 hp engine.  and the EaglePilot 7.0 driving assistance system for $15,000.  Changan Oshan Z6 introduced

Petrol version
Mid-size youth crossover with dynamic design, 188 hp engine.  and the EaglePilot 7.0 driving assistance system for $15,000.  Changan Oshan Z6 introduced
Hybrid

Changan Oshan Z6 is equipped with a 1.5-liter turbocharged engine with 188 hp, coupled with a seven-speed “robot” 7DCT (with two clutches). Drive – only front. In the future, the manufacturer promises to bring to market a “charged” version of the crossover – with a 233 hp engine.

The base version of the Changan Oshan Z6 costs $14,930. It is equipped with a rear-view camera, LED headlights, cruise control, and “only” two screens (there is no smallest one – the one located at the top of the center console). The top version for $19,420 has adaptive cruise control, a 360-degree surround view system, 6 speakers, atmospheric lighting with 64 LEDs, etc.

Mid-size youth crossover with dynamic design, 188 hp engine.  and the EaglePilot 7.0 driving assistance system for $15,000.  Changan Oshan Z6 introduced

The hybrid version of the car is called the Z6 iDD. There is also a 1.5-liter turbocharged engine, but it already produces 166 hp. On the front axle is a 150 hp electric motor. Also in the power plant is a CATL traction battery with a capacity of 28.4 kWh and a 6-speed transmission with three clutches. This suggests that there are three modes of operation: ICE only, hybrid and purely electric mode. The power reserve in the latter case is 150 km (according to measurements by the NEDC method). The cost of a hybrid is from 23,290 to 26,280 dollars.

Continue Reading

News

Huawei Mate 50 is ready. It can be presented on September 12

Published

on

Huawei Mate 50 is ready It can be presented on

The fact that the Mate 50 will be has been known for a long time: Huawei officials have confirmed the release of a new flagship this year. The question was only in the timing of the announcement. At first it was said about May, then the deadline was moved “later” – first to June, and then to July. And now the source has announced a new date, and even a specific date is called – September 12th. If everything really happens, then the Mate 50 will be presented almost every day with the iPhone 14.

Huawei Mate 50 is ready.  It can be presented on September 12

Mate 50 might look something like this

The source cites screenshots from some internal correspondence, from which two points follow. First, Huawei Mate 50 is already ready and it is sent for testing. The tests are needed not only to fully configure the hardware components (for example, ISP cameras), but also to debug the firmware – it is expected that the Mate 50 may be the company’s first production smartphone with HarmonyOS 3.0. Moreover, there are rumors that it is with the Mate 50 that HarmonyOS 3.0 could debut globally. Naturally, one cannot do without an extensive pre-release test program.

Huawei Mate 50 is ready.  It can be presented on September 12

Screenshot from email with Mate 50 announcement date

The second point, following from internal correspondence: Mate 50 will debut on September 12, and it will work under the control of a single-chip system Kirin 9000s. What kind of platform it is is known only to developers. But it is strange not to see the top-end Snapdragon 8 Gen 1 4G in the flagship, which has been talked about a lot earlier. However, it is possible that the Mate 50 will have several versions, both with Kirin SoC and Qualcomm SoC.

There are no other details, but there is no doubt that the Mate 50 will receive a top-end camera – clearly no worse than the P50 Pro.

Continue Reading

Components

Bloomberg editor Mark Gurman spoke about the new Apple M2 processors – four models are expected

Published

on

Bloomberg editor Mark Gurman spoke about the new Apple M2

Earlier this month, Apple announced the new M2 processor at the WWDC presentation. It is used in the new MacBook Air and MacBook Pro, but Cupertino is said to be preparing several modifications of it. Apple is said to be preparing M2 Pro, M2 Max, M2 Ultra, and M2 Extreme processors for Mac mini, MacBook Pro, and Mac Pro devices.

Bloomberg editor Mark Gurman spoke about the new Apple M2 processors - four models are expected

Bloomberg editor Mark Gurman said that Mac mini computers will receive options with M2 and M2 Pro processors. The 14-inch and 16-inch MacBook Pro laptops will feature the M2 Pro and M2 Max chips. An entry-level 13.3-inch MacBook Pro with the M2 chip is also expected. Their release date is unknown.

Bloomberg editor Mark Gurman spoke about the new Apple M2 processors - four models are expected

Finally, Gurman believes that Apple plans to introduce the M2 Ultra and M2 Extreme chips. The company has previously hinted that the Mac Pro could be released soon, but no further details have been released. Perhaps these processors are just intended for the Mac Pro.

The timing of the announcement and release of the most powerful PC from Apple has not yet been specified.

Previously, Gurman said that the MacBook Air (2022) will be released in the colors of older models.

Continue Reading

Most Popular