亚洲精品v日韩精品,国内永久免费crm系统,18禁黄网站男男禁片免费观看,亚洲欧美日韩愉拍自拍

雙頻激光標準- Frequency Laser Standard
特點：
充分遵守國際委員會的度量衡cipm 97 “充電英文實用”的建議，為了實現這個米
頻率可重復性：2.5 x 10^-11
頻率穩定度：2.5 x 10^-12
緊湊建設
自動調諧/鎖定在在12個不同的碘的超精細組件
小學激光參考標準，為實現這一米
校準參考穩定激光器

Frequency Laser Standard

Features:

Fully compliance with the International Committee of Weights and Measures CIPM 97 Mise en pratique recommendations for the realization of the meter

Frequency repeatability: 2.5 x 10^-11

Frequency stability: 2.5 x 10^-12

Compact construction

Automatic tune/ lock-in at 12 different iodine hyperfine components

Primary laser reference standards for realization of the meter

Calibration reference for stabilized lasers

激光頻率標準，與參考頻率的基礎上，過渡原子碘同位素蒸氣，是一個自動的實驗室設備的設計，比較和校準的He-Ne （ 632,8 nm波長）激光器。
這是一個高準確度的實驗室設備與自動吸收峰，檢測和結果展示圖形顯示。

Frequency Laser Standard, which reference frequencies based on the transition of atomic iodine isotop vapour, is an automatic laboratory device designed to compare and calibrate He-Ne (632,8nm wavelenght) lasers.

It is a high accuracy laboratory device with automatic absorption peaks detection and results presentation graphic display.

Measurement parameters測量參數