激光波長計
1、SHR-激光波長計
SHR激光波長計可以方便的測量脈沖和連續激光器的波長,精度達到+/- 3pm,整個波長范圍是190-1100nm。光學分辨率(FWHM)可以達到30000(λ/Δλ(FWHM)),在紫外段,可以達到6pm,在近紅外波段可以達到40pm。SHR激光波長計由于其快速測量的特點,也可以用于在線測量。
SHR激光波長計并不是用于一般的寬光譜測量,但是,它憑借中階梯光柵,可以很好的用于分析窄波長的產品-在UV短的峰展寬0.5nm到近紅外波段的18nm。
Operation modes |
CW and pulsed (externally triggered) |
Spectral range |
190 - 1100 nm |
Absolute accuracy |
± 3 pm |
Spectral resolution
(instrument function, l/DlFWHM) |
30 000 (from 6pm at 193nm to 40pm at 1200nm, refer to Fig.1) |
Source linewidth
requirement |
£125 см-1 (from
0.5nm at 193nm to 18nm at 1200nm, refer to Fig.2) |
Sensitivity |
less than 0.5 mW at 632.8nm for min exposure time
of 7msec |
Optical interface |
optical fiber 400 um dia., 1000mm length,
connector SMA-905 diffuse attenuator FA-3 equipped with SMA-905 |
Computer interface |
Full Speed USB |
Software |
WLMeter |
Dimensions and weight |
165 х 215 х 90 mm; 2.6 kg |
2、NIR-IR近紅外激光波長計
操作模式 |
連續及脈沖光
(externally triggered) |
光譜范圍, nm |
600 - 1800 |
探測波長的準確度, nm |
± 0.02 |
分辨率 (λ/ΔλFWHM) |
4 000 (λ/ΔλFWHM from 0.15nm for 600nm to 0.48nm
for 1800nm) |
光源線寬, 不超過 |
≤125 см-1 (from
4nm for 600nm to 40nm for 1800nm) |
光接口 |
- 石英光纖 直徑400 μm, 1m 長, SMA-905接口 - 漫射衰減器 FA-3
with SMA-905 接口 |
計算機接口 |
Full Speed USB |
軟件 |
WLMeter |
尺寸, mm |
142 x 110 x 80 |
重量, kg |
1.2 |