基于量子级联式激光技术，LaserScope是一套革命性的、紧凑的、超整合的宽范围可调中红外吸收光谱仪系统。LaserScope红外光谱仪覆盖范围1900-750 cm-1 (可调范围达到 ~1100 cm-1)，可以根据用户预算定制窄调谐范围版本。LaserScope红外光谱仪是一种分析工具，当研究者遇到应用挑战时可以考虑LaserScope提供的多种解决方案。跨学科用户最终得到的集多种研究目的为一体的模块式QCL光谱仪。
特色
l 高光谱辐射，相比FTIR光谱仪高六个数量级，无信噪比问题
l 高整合性的台式光谱解决方案
l 多种应用方案配置：固体、液体、气体
l 可以与光纤器件、气体电池进行耦合
l 可以与大多数红外显微镜匹配
l 极大抗噪性，在任何光学平台上都可以稳定运行
l 极大的灵活性
规格参数
Continuous Wavelength
Coverage
1900-750 cm-1
Configurable in 250 cm-1 (min) increments
Tuning
Step or sweep scan, Full or sub range
Triggering
Internal Programmable, sync out, external trigger
Pulse Repetition Rate
up to ~1 MHz
Pulse Width
~50-500 nsec
Duty Cycle
up to ~5%
Wavelength Accuracy
< 1 cm-1 typical
Wavelength Repeatability
< 0.5 cm-1 typical
Average Power
Typically varies between 0.5 mW and 10 mW
across the full tuning range at 5% duty cycle
Peak Power
10-100 mW typical
Pulse Stability
< 5% pulse to pulse typical
Power Variation
< 0.05% over 10msec
Beam Divergence
< 5 mrad
Beam Diameter
2 x 4 mm Collimated
Polarization
TEM, 100:1 extinction, Vertically Polarized
Pointing Stability
< 1 mrad across the full tuning range
Line Width
1 cm-1 typical
Dimensions
25.4 x 20.3 x 12.7 cm (10 x 8 x 5 in)
Weight
4.3 kg (9.5 lbs)
Operating Temp. Range
10 to 30 °C
Storage Temp. Range
-10 to 70 °C
Communication Interface
USB
Operating System
Win XP-SP3 or later
Electrical Interface
100-240 Volts (50/60 Hz) 2 Amp
Mechanical Interface of
Output & Input ports
6-inches on-center and 2-inches above bench
plane which is ~2-inches above bench
内部光谱采集模式 (LaserScan Software)
Measurement Time
Several seconds typical
Laser Pulse Modulation
200 kHz (Insensitive to stray light)
Average Power
~0.5 mW to ~10 mW across the full tuning range
Spectral Resolution
Software Selectable 2, 4, 8 cm-1
Spatial Resolution
< 10 μm at 1000 cm-1
(Determined by the laser’s diffraction limit)
Measurement Technique
Determined by external configuration
Spectral Acquisition
Built in acquisition of complete spectrum across
the full tuning range using built in detector
Internal Detector
TE cooled MCT (no LN2 required) |
