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 “充电英文实用”的建议，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 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测量参数
|
Wavelength 波长 |
633 nm |
|
Frequency stability (10s averaging time) 频率稳定度 |
<2.5 x 10-12 |
|
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 laser head维激光头 |
460x180x155 mm |
|
AC line voltage交流线电压 |
220-240 V / 50 Hz |