Ultrafast Transient Absorption Spectroscopy

Name: Ultrafast Transient Absorption Spectroscopy
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TA100 is a transient absorption spectrometer designed to probe photoinduced electronic transitions and their evolution dynamics. It covers UV-Vis-NIR-MIR spectral ranges (femtosecond to microsecond timescales) and integrates a microscopic system for spatially resolved transient absorption measurements. The system supports wide-field excitation/detection or spot excitation with a high-speed CMOS camera for spatial defect analysis and carrier diffusion mapping. With optional 50kHz high-speed detectors (sensitivity 10^-5 OD) and expandable TCSPC/ultrafast fluorescence modules, it enables comprehensive fluorescence kinetic analysis. This all-in-one solution includes complete pump-probe optics, microscopy, spectral/imaging acquisition, and dedicated data processing software.
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Products Features

Multi-mode Multi-range Detection: Equipped with transmission, reflection, and back-excitation modes. Detection spectrum covers UV to NIR bands, suitable for diverse samples including tetracene dimers and CdSe quantum dots, delivering excellent performance across UV-NIR ranges.
High Resolution: Temporal resolution ≤1.5×femtosecond laser pulse width; Spatial resolution ≤1μm (microscopic dynamics imaging module). Enables precise capture of transient processes, supporting carrier migration studies in photocatalysis and perovskite solar cells.
Automation & Intelligence: Fully automated optical path switching/calibration ensures operational stability. Integrated software for data acquisition/analysis improves experimental efficiency.
High Expandability: Modular design allows flexible configuration upgrades.

Specifications

Laser type	Ti:Sapphire Lasers	Yb-based Lasers
Spectral range	280 - 380 nm	350 - 500 nm
	320 - 650 nm	480 - 950 nm
	420 - 800 nm	1100 - 1650 nm
	850 - 1500 nm	--
Mode	Transmission/reflection/backside excitation
Time window	8 ns
Sensitivity	≤10^-5 OD
IRF	≤ 1.5x Pulse Width
Automation System	Fully automated optical path switching and alignment
Sample holder	solution, film, and powder
External Field Control	low temp., high pressure, magnetic field, and other customer specific requirments
Software	Data acquisition, data analysis and fitting, and more

Microscopic kinetics imaging module

Mode	Micro spectroscopy acquisition/wide-field TA imaging/carrier migration imaging
Spatial resolution	≤1 μm
Wavelength range	400-800 nm
Carrier migration accuracy	100 nm

Nanosecond TA module

Other expandable options

MIR Detection Range	2-12 μm
TCSPC module time resultion	Time Resolution ≤100 ps
Ultrafast fluorescence module Time Resolution	≤1.5X Pulsewidth
Angular Resolution Module	Expandable for angular resolution detection

Application

Product Catalog of TTS-2025.pdf

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