2008年9月12日星期五

FEANOR双频激光标准- Frequency Laser Standard

双频激光标准- Frequency Laser Standard


双频激光标准- Frequency Laser Standard


特点
充分遵守国际委员会的度量衡CIPM 97 "Mise en pratique" 建议,为了实现这个"米"
频率可重复性:2.5 x 10-11
频率稳定度:2.5 x 10-12
紧凑建设
自动调谐/锁定在在12个不同的碘的超精细组件
小学激光参考标准,为实现这一米
校准参考稳定激光器

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

激光频率标准,与参考频率的基础上,过渡原子碘同位素蒸气,是一个自动的实验室设备的设计,比较和校准的He-Ne ( 632,8 nm波长)激光器。
这是一个高准确度的实验室设备与自动吸收峰,检测和结果展示图形显示


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

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


Measurement parameters 测量参数

Wavelength 波长- 633 nm
Frequency stability (10s averaging time) 频率稳定度 - 2.5-12
Repeatability重复性 - 2.5 x 10-11
Method of stabilization方法稳定 - Third harmonic method
Accessible 127I2 hyperfine components方便的 超精细组件 - d,e,f,g,h,i,j,k,l,m,n of the 11-5 R(127) absorption
Iodine cell sidearm temperature碘电池温度 - 15.0 ± 0.2 °C (Option of electing temperature in range 11.0 - 19.0 °C选项选出的温度范围)
Output power输出功率 - 110 μW
Polarization两极化 - Linear, vertical 线性,垂直
Plasma tube等离子管 - Double Brewster window
Continuous frequency lock over 24 hours for ambient temperature 20 °C μ1°C连续频率锁定超过24小时为常温 - Yes 有
Automatic tuning自动调谐 - Yes有
Manual tuning手调谐 - Yes有
Dimension of controller维控制器 - 350x250x110 mm
Dimension of the laser head维激光头 - 460x180x155 mm

机床维修, 机床几何检查, 机床精度检查,数控改造