Core Insights - The article highlights the procurement intentions of the Xi'an Institute of Optics and Precision Mechanics, which includes 36 items of scientific instruments with a total budget of 137 million yuan [2][3]. Procurement Overview - The procurement involves advanced scientific instruments such as transmission electron microscopes, high-energy femtosecond laser systems, high-resolution electron energy loss spectrometers, transient absorption spectrometers, and soft X-ray spectrometers, with an expected procurement timeframe from July to October 2025 [3][4][5][6]. Instrument Descriptions - **Transient Absorption Spectrometer**: A time-resolved spectroscopic device that captures transient species' absorption spectrum changes under external excitation, crucial for studying photophysical and photochemical processes [4]. - **High-Resolution Electron Energy Loss Spectrometer (HREELS)**: A surface-sensitive characterization tool that analyzes energy loss from incident electrons to obtain detailed information about surface structures and chemical compositions [5]. - **Soft X-ray Spectrometer**: Analyzes the absorption and emission of soft X-rays to determine the elemental composition and electronic structure of light elements, particularly useful in materials science and biomedicine [6]. Detailed Procurement List - The procurement list includes various instruments with specific budget allocations, such as: - High-energy femtosecond laser system (pump laser) - 28.2 million yuan - High-resolution electron energy loss spectrometer - 70.5 million yuan - Angle-resolved photoemission spectrometer - 29.1 million yuan - Transient absorption spectrometer - 18.2 million yuan - Soft X-ray spectrometer - 75 million yuan [8][9][10]. Research Institute Background - The Xi'an Institute of Optics and Precision Mechanics, established in 1962, is one of the largest research institutes in Northwest China, focusing on photonic information and manufacturing [10][11]. - The institute has developed a complete innovation chain from basic research to industrialization, covering transient optics, space optics, and optoelectronic engineering [11][12][13]. Research Platforms and Achievements - The institute hosts several key laboratories and research platforms, including the National Key Laboratory for Ultrafast Optical Science and Technology, focusing on ultrafast laser generation and detection [14]. - It has also established a successful technology transfer platform, investing in nearly 400 companies with a market value exceeding 50 billion yuan, forming clusters in photonic manufacturing and information [15].