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Beijing Oulan Guangshi Technology Co., Ltd.

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BrandEkspla
OriginImported (Lithuania)
ModelSFG FS
Tuning Range (IR)2.3–10 μm (4300–1000 cm⁻¹)
Visible Beam532 nm, <2 cm⁻¹ linewidth, ~1 mJ pulse energy, 20–30 ps pulse duration
SFG Output Range432–505 nm
Spectral Resolution<6 cm⁻¹
Detection Sensitivity~10 photons/shot
Acquisition Rate10 Hz
Polarization Purity>1:100 (linear, selectable)
IR Pulse Energy200–20 μJ
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BrandEkspla
OriginLithuania
Manufacturer TypeOriginal Equipment Manufacturer (OEM)
Product CategoryImported Instrument
ModelSFG
PriceUpon Request
IR Tuning Range2.3–10 µm (4300–1000 cm⁻¹)
Spectral Resolution< 6 cm⁻¹
Detection Sensitivity~10 photons/shot
Acquisition Rate10 Hz
VIS Beam532 nm, < 2 cm⁻¹ linewidth, ~1 mJ pulse energy, 20–30 ps pulse duration, linear polarization (>100:1 extinction ratio)
IR Beam2.3–10 µm tuning, < 6 cm⁻¹ linewidth, linear polarization (>100:1), 20–200 µJ pulse energy
SFG Output Wavelength432–505 nm (with 532 nm VIS pump)
Optional ExtensionUp to 16 µm (625 cm⁻¹) IR coverage
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BrandEkspla
OriginLithuania (EU)
Manufacturer TypeOriginal Equipment Manufacturer (OEM)
Import StatusImported
ModelSFG PS
PriceUpon Request
Spectral Range625–4300 cm⁻¹
Spectral Resolution<6 cm⁻¹ (optional <2 cm⁻¹)
Pulse Duration29 ± 5 ps
Repetition Rate50 Hz
IR Tuning Range2.3–10 µm (optionally up to 16 µm)
VIS Wavelength532 nm (optional 1064 nm or tunable 420–680 nm)
Beam GeometryCo-propagating, non-collinear (optional collinear)
Incidence AnglesFixed (~60° VIS, ~55° IR
Polarization ControlMotorized s/p selection for IR, VIS, and SFG (purity > 1:100)
DetectionTime-gated photomultiplier tube (PMT)
Laser SourceDiode-pumped mode-locked Nd:YAG (PL2231 series)
OPG SystemPG501-DFG (standard) or PG511-DFG (high-resolution)
Sample CompartmentVertically oriented, customizable, compatible with Langmuir-Blodgett troughs, temperature/humidity cells, and in situ reaction chambers
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BrandLaVision GmbH
OriginGermany
ModelTR-PLIF
Laser Repetition Rate≥1 kHz
Excitation SourceFrequency-Doubled Nd:YAG (532 nm), Pumped by High-Repetition-Rate YAG Laser
DetectionIntensified CCD or sCMOS Camera with Sub-Microsecond Gating
Temporal Resolution<100 ns (adjustable via optical delay and camera gating)
Spatial Resolution≤50 µm (system-limited, dependent on optics and pixel binning)
Spectral BandwidthTunable via narrowband interference filters (FWHM ≈ 1–5 nm)
ComplianceCE Marked, RoHS Compliant
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BrandEkspla
OriginLithuania
Manufacturer TypeAuthorized Distributor
Import StatusImported Instrument
ModelCARS
Instrument TypeConfocal Micro-Raman Spectrometer
Spectral Range740–4000 cm⁻¹
Spectral Resolution1 cm⁻¹
Spatial Resolution0.5 µm
Minimum Wavenumber740 cm⁻¹
Spectral Reproducibility±1%
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BrandLaVision GmbH
OriginGermany
ModelFlameMaster Raman
Instrument TypeGrating-Based Raman Spectrometer
Spectral Range300–800 nm
Spectral Resolution1 cm⁻¹
Spatial Resolution1 mm
Minimum Wavenumber Shift10 cm⁻¹
Spectral Reproducibility±0.15 cm⁻¹
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BrandEkspla
OriginLithuania
Manufacturer TypeAuthorized Distributor
Origin CategoryImported Instrument
ModelT-FIBER
PricingUpon Request
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BrandLaVision GmbH
OriginGermany
Manufacturer TypeAuthorized Distributor
Import StatusImported
ModelFluidMaster-Multi Phase
Wavelength Accuracy±2.0 nm
Spectral Bandwidth (Slit)1.5–20 nm
Optical Resolution1.0 nm
Sensitivity1%
Dispersive ElementsGrating and Interference Filters
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BrandEkspla
OriginImported (Lithuania)
ModelTHz-TDS
Pump LaserMode-locked Ti:Sapphire, 760–840 nm, >60 mW avg. power, pulse width <50 fs (optional 20 fs), rep rate 50–100 MHz
THz Bandwidth0.1–3 THz (3.3–100 cm⁻¹)
Spectral Resolution>15 GHz (corresponding to >70 ps time-domain scan window)
Dynamic Range>1000:1 (electric field amplitude at 0.6 THz)
THz Emitter & DetectorLT-GaAs photoconductive antennas with integrated hyperhemispherical Si lenses, mounted on precision X-Y stages
Delay LineMotorized optical delay line, max. scan range 300 ps (extendable)
DetectionLock-in amplified electro-optic or photoconductive sampling
PolarizationLinear, configurable for horizontal/vertical THz polarization
Incidence Angle for ReflectionAdjustable 30°–50°
Imaging Resolution~1 mm (raster-scanned 2D transmission/reflection mapping)
SoftwareReal-time acquisition, FFT-based spectral extraction, transmission/reflection coefficient calculation, raw data export (.txt, .mat), source code available for customization
ComplianceDesigned for GLP-compliant lab environments
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KeyBrand: Ekspla
OriginImported (Lithuania)
ModelEkspla-THz
Spectral Range0.1–3 THz
Temporal Resolution<1 ps
Emitter SubstrateLow-Temperature-Grown GaAs (LT-GaAs)
Integrated OpticsHyper-spherical high-resistivity silicon lens
Pump Laser Requirement<150 fs pulses, 800 nm central wavelength
Detection Bandwidth (FWHM)>700 GHz
Typical Output Power>10 µW (with 100 mW Ti:Sapphire laser)
ComplianceDesigned for ASTM E2964-compliant THz-TDS configurations
Software InterfaceCompatible with LabVIEW, MATLAB, and Python-based acquisition frameworks
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BrandEkspla
ModelFast Scan
Spectral Range0.2–3.5 THz (6–116 cm⁻¹)
Spectral Resolution (Fast Mode)10 GHz
Spectral Resolution (Fast/Slow Hybrid Mode)5 GHz
Acquisition Rate10 spectra/s
SNR>10⁶:1 @ 0.4 THz
OriginLithuania
Import StatusImported Instrument
Distributor TypeAuthorized General Distributor
CategoryTerahertz Time-Domain Spectroscopy (THz-TDS) System
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BrandLaVision GmbH
OriginGermany
ModelFluidMaster-Thermal
Dispersion UnitGrating and Interference Filters
Slit Width (Spectral Bandpass)1.5 nm – 20 nm
Spectral Resolution1.0 nm
Sensitivity1%
Wavelength Accuracy±2.0 nm
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BrandEkspla
OriginLithuania
ModelT-SPEC
Spectral Bandwidthup to 4.5 THz
Dynamic Range>70 dB at 0.4 THz
Acquisition Rateup to 10 spectra/sec
Spectral Resolutiondown to 2.5 GHz
Delay LineBearing-Free Optical Delay Stage
Operation ModesTransmission & Reflection
Imaging CapabilityHigh-Spatial-Resolution THz Imaging
ControlFully Computer-Controlled via Dedicated Software
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BrandEkspla
OriginImported (Lithuania)
ModelTHz-1000
Wavelength Compatibility1030 nm and shorter (optimized for 1000 nm pump)
Emitter MaterialLow-Temperature-Grown GaBiAs
Detector MaterialGaBiAs Epitaxial Layer
Spectral Range0.2–5 THz
Emitter AntennaCoplanar Hertzian dipole, 70 µm arm width, 20 µm photosensitive gap
Detector Electron Mobility~5000 cm²/V·s
Detector Carrier Lifetime< 0.5 ps
Integrated OpticsHemispherical high-resistivity silicon lens (Ø15 mm)
Bias Voltage Range (Emitter)Adjustable DC bias (typ. 0–30 V)
THz Power Conversion Efficiency7×10⁻⁴
Detector MountingIn-plane micro-positioning optomechanical holder with SMA RF output
ComplianceDesigned for ultrafast laser-driven THz time-domain spectroscopy (TDS) systems
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BrandMetrolux
OriginGermany
ModelML6500
Wavelength Range115–230 nm (single lamp), 115–320 nm (dual lamp: D₂ + Xe)
Spectral Resolution< 1 nm FWHM at 160 nm
Wavelength Reproducibility< 0.1 nm (validated at 121.5 nm and 160 nm)
Operating Pressure< 1×10⁻⁵ mbar
Transmittance Accuracy< ±0.3%
Reflectance Accuracy< ±0.5%
Out-of-Band Transmittance< 0.1%
Scattered Reflectance (157 nm)> 0.001%
Diffuse Reflectance (157 nm, 1 mm aperture)< 5%
Scattered Reflectance (157 nm, 1 mm aperture)< 5%
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