In extreme scenarios such as near-infrared frontier research, ultra-weak signal acquisition, ultra-low concentration component analysis, long-term online monitoring, and detection in complex temperature and humidity conditions, conventional non-cooled and first-level cooled spectrometers often encounter bottlenecks such as high thermal noise, large dark current drift, insufficient weak light signal-to-noise ratio, high-temperature baseline rise, and data dispersion over long periods. To meet demanding requirements for trace substance detection, weak near-infrared fluorescence identification, high-precision spectral traceability, and all-weather unmanned monitoring, ordinary equipment is unable to suppress environmental temperature variations, resulting in signal distortion, baseline jitter, poor repeatability, and inability to meet high-level scientific research achievements and precise measurement standards.

The 7IGF10-NIR-PLUS near-infrared fiber optic spectrometer from Saifan Optoelectronics is the flagship model of the 7IGF-NIR series, positioned as the top-level research-grade model. It is equipped with an industry-leading second-level TEC deep cooling InGaAs detection system. Compared to first-level cooled and normal temperature models, it achieves comprehensive upgrades in temperature control accuracy, noise suppression, and temperature drift control. Relying on an optimized anti-scattering optical path, high-sensitivity exclusive near-infrared chip, and full-temperature range dynamic calibration algorithm, it offers extreme low noise, zero temperature drift, long-term stable spectrum, ultra-weak signal capture, all-temperature zone adaptive performance, and ultra-high stability without maintenance. It overcomes the challenges of near-infrared weak detection and long-term monitoring, becoming the top-level core equipment for key laboratories' frontier research, high-end material analysis, and precise industrial quality control.

Second-level deep TEC cooling, extreme suppression of dark current, and full-temperature zone zero drift

As the top-level model of the series, 7IGF10-NIR-PLUS is equipped with a dual-level stacked TEC deep cooling system, which can achieve constant temperature locking of the detector. Compared to conventional first-level cooled equipment, it significantly reduces the limit temperature control difference, fundamentally suppressing the inherent dark current thermal noise of the InGaAs detector from the physical root. It effectively solves industry problems such as baseline rise, spectral drift, and noise climbing caused by environmental temperature fluctuations and long-term equipment operation heat accumulation. Whether in a high-temperature laboratory in summer, an industrial workshop with insufficient temperature control, or a 7×24h continuous monitoring condition, the spectral baseline of the entire machine remains straight and stable without gradient drift, achieving data consistency, reproducibility, and traceability at the top level of near-infrared equipment, fully supporting journal-level scientific research and precise measurement standards.

Near-infrared exclusive high-sensitivity chip, precise capture of ultra-weak signals

The equipment is equipped with an imported custom high-response InGaAs near-infrared detection chip, specifically optimized for the 900?1700nm classic near-infrared characteristic wavelength band. It has high photoelectric conversion efficiency, large dynamic range, and an upgraded weak light response capability. For extreme weak light scenarios such as ultra-low concentration solution detection, weak near-infrared fluorescence signals, thin-layer high-transparency film trace attenuation identification, and low-energy light source spectral calibration, it can precisely separate the effective signal, suppress background noise, and easily capture microspectra that ordinary cooling equipment cannot identify, eliminating the problem of weak signals being drowned by noise, and achieving precise qualitative and quantitative analysis of near-infrared trace and traceable substances.

Upgraded anti-scattering optical path system, pure spectral lines without distortion and loss

Adopting and upgrading the mature horizontal cross-type precision optical path architecture, combined with exclusive high-level shading structure, second-level diffraction coating, and optical path noise reduction technology, the anti-scattering ability is excellent, effectively filtering out environmental scattered light, high-order diffraction noise, and residual optical path noise. Equipped with a high-precision holographic spectroscope, the spectral lines are uniform, have high linearity, stable dispersion, sharp and clean output spectral lines, without broadening, distortion, or interference from additional peaks. It can precisely distinguish subtle spectral shifts, overlapping characteristic peaks, and traceable absorption depressions, perfectly adapting to high-purity detection requirements such as precise spectral analysis, traceable sample detection, and high-end optical component calibration.

No mechanical fixed optical path structure, all-weather long-term maintenance-free operation

The entire machine adopts an integrated optical path design with all-fixed gratings, without any mechanical scanning components. This completely eliminates mechanical idle travel, wear and tear, jamming, return error, and lifespan decline. The body is constructed with a high-strength integrated structure, featuring excellent shock resistance, anti-shaking ability, resistance to temperature fluctuations and alternating high and low temperatures, and anti-electromagnetic interference capabilities. Its adaptability to working conditions far exceeds that of traditional scanning spectrometers. It supports 7×24-hour continuous online monitoring. Long-term high-frequency operation requires no frequent calibration or complex maintenance. The failure rate is extremely low, significantly reducing the operation and downtime costs of high-end research and precision production lines. It is suitable for regular extreme working conditions.

Millisecond-level high-speed dynamic sampling, highly efficient for research and batch detection

Equipped with a high-speed 16-bit AD conversion chip and ultra-fast data transmission algorithms, the sampling response is fast, the integration time is flexible and adjustable, and it supports real-time collection of full-spectrum data and dynamic trajectory tracking. It can quickly complete static fixed-point precise detection, continuous dynamic spectral monitoring, and rapid screening of large batches of samples. The entire process is non-contact and non-destructive, no sample crushing or chemical pre-treatment is required, and there is no consumable consumption. It is highly compatible with dynamic spectral mechanism research, real-time material reaction monitoring, high-end precision online quality control of production lines, and rapid screening of large batches of traceable samples.

Simple integration with strong compatibility, quickly building a high-end precision testing platform

Standard equipped with a USB high-speed dual-interface, integrated power supply and transmission, plug-and-play, and simple deployment. No need for external redundant equipment. It is accompanied by Sefan's advanced professional spectral analysis software, integrating real-time spectral display, high-precision peak picking, precise wavelength calibration, data storage and export, differential comparison, dynamic analysis, batch statistics, and other complete high-level functions. The operation is simple, the functions are professional, and it caters to both deep research analysis and industrial standardized quality control requirements. The equipment has strong scalability and can seamlessly connect with Sefan's entire series of research light sources, integrating spheres, optical probes, and optical testing platforms, quickly building an integrated high-end near-infrared spectrometry detection system.

Top-level all-round compatibility, covering high-end research and precision industrial applications

With the top-level performance of secondary deep cooling stabilization, ultra-low noise, ultra-weak light capture, and stable operation across the entire temperature range, 7IGF10-NIR-PLUS widely adapts to near-infrared frontier spectral research, traceable substance and trace analysis, weak fluorescence spectral detection, high-end film/dielectric coating precision calibration, precise identification of biological and chemical components, high-precision quality control of chemical materials, deep screening of agricultural and forestry varieties, industrial all-weather precision monitoring, and high-end research projects of key laboratories. It is the top benchmark equipment in the near-infrared spectrometry detection field.

Secondary TEC deep cooling | Full temperature range ultra-low dark current drift | Ultra-sensitive InGaAs chip | High-level anti-interference pure optical path | No mechanical stable maintenance-free | Millisecond-level dynamic fast detection | Top-level compatibility for extreme conditions

Deep cooling lock-in spectrum, exquisite reveals the truth. The Sefan optical fiber spectrometer 7IGF10-NIR-PLUS in the near-infrared field, with secondary deep cooling top-level technology, breaks through the limits of near-infrared detection, with ultimate stability, ultimate sensitivity, and ultimate purity of spectral performance, fully empowering frontier spectral research innovation and upgrading of high-end precision industrial detection!