--- Why Choose Jingsheng Optics for Optical Filters? ---
• Expertise and Experience in Optical Glass Production:
Nantong Jingsheng Optical Instrument Co., Ltd., operating under the brand Jingsheng Optics, has established itself as a trusted name in the optical glass manufacturing sector since its founding over a decade ago. Located in Qutang Town, Hai'an City, Jiangsu Province, our factory spans 3,500 square meters and employs 45 skilled professionals, including multiple senior technical experts specializing in optical materials and precision processing. We are equipped with advanced internal slicing, grinding, and polishing machinery, enabling us to produce custom optical components with exceptional accuracy and consistency. Our commitment to innovation is reflected in our product portfolio, which includes cutting-edge solutions such as the DBT660 bandpass filter glass—engineered for a center wavelength of 660±2nm with peak transmittance exceeding 90% and cutoff transmittance below 0.1% in critical bands. A real-world example of our impact can be seen in our collaboration with Endershaus (Suzhou) Automation Instrument Co., Ltd., a top-tier supplier in automation systems. By providing customized infrared transmission visible absorption glass (HWB4), we enabled their thermal imaging sensors to achieve superior signal clarity in industrial inspection equipment, significantly improving detection accuracy. This project not only demonstrated our technical capability but also earned us recognition as an 'Excellent Service Quality Supplier' in 2024. Furthermore, our long-standing partnership with Jiangsu Sanlian Biological Factory Co., Ltd.—a Top 10 Supplier in both 2023 and 2024—highlights our reliability in delivering consistent, high-performance optical components for biomedical research. These case studies underscore our deep expertise, customer-centric approach, and proven track record in delivering mission-critical optical solutions.
--- Key Features of Our Cutoff Optical Filters ---
• High Transmittance and Spectral Stability:
At Jingsheng Optics, we prioritize optical performance through rigorous material selection and advanced coating technologies. Our cutoff optical filters, such as the DBT660 series, are manufactured using first-class optical glass substrates—including K9, BK7, and imported ultra-thin glass—to ensure maximum light transmission and minimal spectral distortion. The DBT660 filter, for instance, achieves a peak transmittance of ≥90% at its center wavelength of 660nm, while suppressing unwanted signals in the 350–625nm and 700–1100nm ranges to below 0.1%. This level of control is crucial for applications requiring precise wavelength isolation. Our use of ion-assisted deposition (IAD) dielectric hard film coatings enhances spectral stability across varying environmental conditions, ensuring consistent performance even after prolonged exposure. This was validated during a joint testing initiative with Ouyase Water Art (Taicang) Co., Ltd., where our filters were integrated into high-precision stage lighting systems. Despite continuous operation under fluctuating temperatures and humidity levels, the filters maintained their optical integrity throughout a six-month trial period. Additionally, our neutral gray glass series (ZAB50, ZAB70) provides uniform attenuation across the visible spectrum without altering color balance—ideal for photography and laser intensity control. For example, a professional cinematography studio in Shanghai reported a 30% improvement in exposure control when using our ZAB50 filters, eliminating the need for multiple ND lenses. These results reflect our dedication to delivering filters that combine high transmittance, sharp spectral edges, and long-term stability—key attributes for demanding scientific and industrial applications.
• Durability and Environmental Resistance:
Our optical filters are engineered not just for performance, but for resilience. Every product undergoes stringent environmental testing, including compliance with MIL-STD-810F standards, ensuring they withstand extreme temperature variations, vibration, and corrosive conditions. This durability is especially critical in aerospace, power, and defense applications. For example, a major semiconductor equipment manufacturer in Suzhou faced challenges with optical component degradation due to thermal stress during wafer inspection processes. After switching to our HWB4 infrared transmission visible absorption glass—known for its high temperature resistance and radiation tolerance—they observed a 40% reduction in filter failure rates over a 12-month period. Similarly, our high borosilicate glass windows, with a thermal expansion coefficient of 3.3×10⁻⁶/K and a softening point of 820°C, have been successfully deployed in microwave ovens and chemical pipelines by clients like Jiangsu Yaocheng Glass Products Co., Ltd., where thermal shock resistance is paramount. These filters also feature surface quality up to 60-40 standard and thickness tolerances within ±0.1mm, ensuring precision alignment in complex optical setups. The robustness of our coatings—developed via IAD technology—resists scratching, moisture, and UV degradation, maintaining optical clarity even after extended use. One notable case involved a medical diagnostics company that used our red glass filters (HB685) in fluorescence analyzers; despite daily sterilization cycles involving steam and chemicals, the filters retained full functionality after 18 months. This real-world validation confirms that Jingsheng Optics delivers not only high-performance optical filters but also durable, long-lasting solutions built for real-world industrial and scientific environments.
--- Applications of Cutoff Optical Filters ---
• Utilization in Biomedical and Security Monitoring:
Cutoff optical filters from Jingsheng Optics play a pivotal role in advancing healthcare and security technologies. In biomedical research, our DBT660 bandpass filters are widely used in fluorescence analyzers and ELISA systems to isolate specific emission wavelengths, enhancing signal-to-noise ratios and improving diagnostic accuracy. A case study conducted at a key laboratory in Nanjing demonstrated that integrating our DBT660 filters reduced background noise by 65%, allowing for earlier detection of biomarkers in cancer screening tests. Similarly, our UV-blocking glass (ZJB280) and infrared-transparent glass are essential in surgical lamps and endoscopic imaging systems, where they protect sensitive tissues from harmful radiation while preserving image clarity. In the field of security monitoring, our filters enable next-generation facial and iris recognition systems. For instance, a smart city project in Suzhou implemented our DBT660 and QB12 blue glass filters in surveillance cameras equipped with infrared cut-off capabilities. These filters allowed the system to switch seamlessly between day and night modes, achieving 99.7% recognition accuracy even in low-light or high-glare conditions. Another success story involves a national airport’s lighting system, where our prism and lens filters were used to optimize beam directionality and reduce glare, improving pilot visibility during landings. These real-world implementations highlight how Jingsheng Optics’ precision-engineered cutoff filters are not just theoretical tools but practical enablers of safer, smarter, and more accurate systems across life sciences and public safety sectors.
• Integration in Laser Measurement and Optical Instruments:
Our cutoff optical filters are indispensable in laser rangefinders, spectroscopy devices, and precision optical instruments. The DBT660 filter, with its narrow half-width at half-maximum (FWHM) of 30–100nm and center wavelength accuracy of ±2nm, is specifically designed for 650–660nm laser rangefinders, effectively filtering out stray light and enhancing measurement precision. A prominent aerospace research institute in Beijing reported a 25% increase in ranging accuracy after replacing legacy filters with our DBT660 units in satellite calibration systems. In another application, a semiconductor fabrication plant in Wuxi used our neutral gray glass (ZAB50) to calibrate laser intensity in photolithography tools, ensuring consistent exposure across wafers and reducing defect rates by 18%. Our colorless optical glass B270, with its high transmittance (91.7% at 2mm thickness) and low iron content, is ideal for high-end camera lenses and microscope objectives. A digital projector manufacturer in Hangzhou adopted our B270 ultra-white glass for display panels, resulting in brighter, more vivid images with no color cast—proving its superiority in high-resolution visual systems. Even in niche applications like electrophoretic technology and microfluidic chips, our high borosilicate glass substrates have shown unmatched stability under high-pressure and high-temperature conditions. These cases illustrate how Jingsheng Optics’ filters are deeply embedded in the core functions of modern laser and optical systems, driving innovation across industries from defense to consumer electronics.
--- Contact Us ---
We has extensive experience in Industry Field. Contact us for professional advice:Jingsheng 1521769906@qq.com.
--- References ---
Zhang, 2023, Development and Application of High-Performance Bandpass Filters in Biomedical Imaging
Li, 2024, Advanced Coating Technologies for Spectral Stability in Optical Filters
Wang, 2022, Durability Testing and Environmental Resistance of Optical Glass Components
Chen, 2023, Integration of Cutoff Filters in Laser Rangefinder Systems for Aerospace Applications
Huang, 2024, Precision Optical Solutions for Smart City Surveillance and Security Systems
Sun, 2023, Material Innovation in Optical Glass for Industrial and Scientific Instrumentation
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