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 zui 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 ji 大 抗噪性,在任何光学平台上都可以稳定运行
l ji 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) |