Royal Mint used an advanced picosecond laser to imprint the intricate designs.
皇家铸币厂使用先进皮秒激光来印刻复计。
The digital data of the internet is carried by precision-timed pulses of light, some as short as a hundred picoseconds.
互联网数字数据由精确定时光脉冲携带,有些只有100皮秒。
These days, we've got a lot of different lasers, the new picosecond lasers work much better than our older lasers.
现在,们有很多不同激光仪器,新皮秒激光器比们旧激光器工作得更好。
We can get our clock aligned to more than a picosecond.
们们时钟对齐超过一皮秒。
So our camera system can capture photons at time frames of just 50 trillionths of a second, or 50 picoseconds.
因此,们相机系统在仅 50 万亿分之一秒或 50 皮秒时间范围内捕获光子。
A light pulse lasting a hundred picoseconds leads to a depth resolution of a few centimeters, but tomorrow's cars will need to see better than that.
持续100皮秒光脉冲产生几厘米深度分辨率,但是未来汽车需要看得更清楚。
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