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Opu Tiancheng (Xiamen) Optoelectronics Co., Ltd
ATP5020P: Empowering two-dimensional material optical research, helping breakthrough PdSe ₂ multifunctional optoelectronic devices
Date: 2025-11-19Read: 2
In modern optoelectronic integrated devices, how to achieve multiple functions such as optical detection, optical waveguide, and optical modulation on a single material platform has always been a focus of research and industry.
Recently, an important study titled "Multifunctional van der Waals PdSe ₂ for light detection, guidance, and modulation" was published in Nature Communications. The ATP5020P fiber optic spectrometer from Aopu Tiancheng provided reliable data support for revealing the broadband optical properties of PdSe ₂.
Research background: Multifunctional optical properties of PdSe ₂
PdSe ₂, as a layered van der Waals material with an orthorhombic crystal system, exhibits three optical behaviors: semiconductor, high refractive index medium, and metalloid in different wavelength ranges, making it an ideal multifunctional optoelectronic integration platform. In order to comprehensively characterize its anisotropic optical constants, the research team used polarization resolved reflectance spectroscopy measurement technology, and the core spectral acquisition device is the ATP5020P fiber spectrometer.
In this study, researchers constructed a split polarization resolved reflectance measurement system, combining a microscope, polarizer, and ATP5020P spectrometer to achieve accurate measurement of reflectance of PdSe ₂ flakes in different polarization directions within the wavelength range of 550-900 nm.
These data lay the experimental foundation for extracting the complex refractive index (n+ik) of PdSe ₂ along different crystal axes in the future.
The technical advantages of ATP5020P are reflected in:
High sensitivity and wide spectral range: covering the visible near-infrared band, meeting the requirements of multidimensional optical characterization.
Modular design: It can be flexibly integrated with optical components such as microscopes and polarizers, and is suitable for split or integrated optical systems.
Polarization resolution capability: supports precise measurement of optical response of anisotropic materials (such as PdSe ₂) in different crystal axis directions.
Small spot measurement: Combined with high-power objective lens, achieve local spectral acquisition of micrometer level samples.
Application Expansion: The Potential of ATP5020P in Optoelectronic Materials Research
In addition to its application in PdSe ₂ research, the ATP5020P fiber optic spectrometer is also suitable for:
Extraction of optical constants of two-dimensional materials (such as MoS ₂, WS ₂, black phosphorus, etc.);
Micro area reflection/transmission spectroscopy measurement;
Polarization resolved spectroscopy analysis;
Calibration of photodetector response spectrum;
Performance evaluation of nanophotonic devices;
References
1. Slavich, A., Ermolaev, G., Pak, N. et al. Multifunctional van der Waals PdSe2 for light detection, guiding and modulation. Nat Commun 16, 9201 (2025).
Conclusion
The ATP5020P fiber optic spectrometer from Aopu Tiancheng has become an indispensable optical measurement tool in modern optoelectronic material research due to its high precision, flexible integration, and wide spectral coverage.
In the research of multifunctional van der Waals materials such as PdSe ₂, it provides a solid data foundation for us to understand the essence of materials and promote device integration. In the future, we will continue to work together with scientific research and industry partners, using advanced spectroscopic technology to illuminate the innovative path of optoelectronic integration.
