Where to Find Cutoff Optical Filters?
--- Top Manufacturers of Cutoff Optical Filters ---
• Nantong Jingsheng Optical Instrument Co., Ltd: A Leader in Optical Glass Production:
Nantong Jingsheng Optical Instrument Co., Ltd stands out as a trusted manufacturer of high-performance cutoff optical filters, particularly in the fields of scientific instrumentation and optoelectronics. With over a decade of experience in optical glass production, the company has built a strong reputation for precision engineering and consistent product quality. Located in Qutang Town, Hai'an City, Jiangsu Province, China, the factory spans 3,500 square meters and houses advanced internal processing equipment, including slicing, grinding, and polishing systems, ensuring full control over the manufacturing process. The company specializes in a wide range of optical filter types, including UV-blocking glass (ZJB series), infrared-transmitting visible-absorbing glass (HWB series), and neutral density filters (ZAB series), all designed to meet stringent spectral performance requirements. One notable real-world application involved a collaboration with Jiangsu Sanlian Biological Factory Co., Ltd., where Jingsheng Optics supplied custom DBT660 bandpass filters used in fluorescence analyzers for biomedical research. These filters achieved peak transmittance above 90% at 660 nm with a half-width of only 30–100 nm, enabling precise signal separation in ELISA assays. The filters also passed MIL-STD-810F environmental testing, demonstrating their durability under extreme temperature and humidity conditions. Additionally, Jingsheng Optics' use of ion-assisted dielectric coating (IAD) technology ensures long-term spectral stability, even after prolonged exposure. With ISO9001 certification and partnerships with leading companies like Endershaus (Suzhou) Automation Instrument Co., Ltd., Nantong Jingsheng is not only a reliable supplier but also an innovator in optical filter design. Their ability to offer customized solutions—such as thicknesses from 0.35mm to 4.0mm and sizes up to 70mm in diameter—makes them a preferred choice for R&D labs and industrial clients seeking high-reliability cutoff filters.
• Other Notable Manufacturers in the Industry:
While Nantong Jingsheng Optical Instrument Co., Ltd excels in cost-effective, high-precision optical filtering solutions, other global manufacturers continue to set benchmarks in innovation and material science. Companies such as Schott AG (Germany), Corning Inc. (USA), and Ohara Inc. (Japan) are renowned for producing premium-grade colorless optical glasses like BK7 and B270, which serve as foundational materials for many cutoff filters. Schott’s B270 ultra-white glass, for instance, offers exceptional transmittance (up to 91.7% at 2mm thickness) and low iron content, making it ideal for high-end imaging systems and digital projectors. Similarly, Corning’s fused silica and high borosilicate glass products provide superior thermal and chemical resistance, critical for applications in aerospace and semiconductor manufacturing. However, these international brands often come with higher price points and longer lead times, especially for custom orders. In contrast, Chinese manufacturers like Jingsheng Optics offer competitive pricing without compromising on performance—especially evident in their production of infrared transmission visible absorption glass (e.g., HWB4), which blocks visible light (<700nm) while transmitting infrared (700–2500nm) with less than 0.1% leakage. This makes them highly suitable for night vision devices and medical imaging systems. Moreover, the growing number of domestic suppliers in China, supported by government-backed tech initiatives, has led to faster delivery cycles and better after-sales support. For example, Jingsheng Optics’ partnership with Ouyase Water Art (Taicang) Co., Ltd. enabled rapid integration of custom-cut quartz glass windows into high-pressure fluid dynamics experiments. Despite the dominance of Western giants, the rise of agile, vertically integrated Chinese manufacturers like Jingsheng Optics is reshaping the global supply chain—offering reliable, scalable, and technically advanced alternatives for cutoff optical filters across diverse industries.
--- Reliable Distributors for Optical Filters ---
• Finding Local Distributors for Quick Access:
For businesses requiring fast access to cutoff optical filters, partnering with local distributors can significantly reduce lead times and streamline procurement. Nantong Jingsheng Optical Instrument Co., Ltd maintains a strategic distribution network that includes Branch 1 and Branch 2 locations, enabling regional logistics efficiency across China. Their sales team, led by Chen Xiaohong, provides direct technical consultation and supports both standard and custom filter orders through multiple channels—including phone (+86-0513-88792477), mobile (+86 15950823462), email (1521769906@qq.com), and WeChat (ID: 15950823462). This multi-channel approach ensures timely communication, especially during urgent R&D or production phases. One verified case illustrates this advantage: Endershaus (Suzhou) Automation Instrument Co., Ltd., a key client of Jingsheng Optics, required 500 units of orange glass (CB580) within 10 days for integration into automated laser alignment systems. Thanks to the proximity of Jingsheng’s factory in Hai’an County and its pre-existing inventory of raw optical glass, the order was fulfilled ahead of schedule with full compliance to technical specs—including ND values of 23.3 and stress levels below Class 3. Such responsiveness highlights how local distributors can act as operational extensions of manufacturers, reducing dependency on international shipping delays. Furthermore, Jingsheng Optics offers sample kits upon request, allowing potential clients to test filter performance before bulk purchasing. Their website, jsgxglass.com, features detailed product catalogs with spectral curves, transmission data, and customization options, empowering buyers to make informed decisions. By combining local presence with digital transparency and proven reliability—evidenced by recognition as a Top 10 Supplier in 2023 and 2024 by Jiangsu Sanlian Biological Factory—Jingsheng Optics exemplifies how a well-structured distributor network enhances accessibility and trust in the optical filter market.
--- How to Choose the Right Cutoff Optical Filter ---
• Understanding Wavelength Specifications:
Selecting the correct cutoff optical filter hinges on a deep understanding of wavelength specifications tailored to your application. For instance, the DBT660 bandpass filter produced by Nantong Jingsheng Optical Instrument Co., Ltd is engineered for a center wavelength of 660 ± 2 nm with a full width at half maximum (FWHM) ranging from 30 to 100 nm—ideal for laser rangefinders operating in the 650–660 nm range. This narrowband transmission ensures minimal interference from stray light, improving measurement accuracy. In biomedical settings, such as fluorescence analysis, precise wavelength control is critical; the DBT660 filter enables clean separation of emission signals from background noise, enhancing sensitivity in enzyme-linked immunosorbent assays (ELISA). On the other hand, if your system requires broad-spectrum blocking, such as in security monitoring devices using facial recognition, you might opt for a UV-vis absorbing glass (e.g., ZWB1–ZWB3) that attenuates light below 400 nm and above 700 nm, preserving only the near-infrared spectrum. For infrared imaging systems, Jingsheng’s HWB4 glass offers selective transmission in the 700–2500 nm range while blocking visible light completely—making it perfect for night vision goggles and thermal imagers. Understanding these parameters involves reviewing technical indicators such as transmittance percentages (≥90% peak), cutoff sharpness (≤0.1% in blocking bands), and spectral flatness across the target range. It's also vital to consider the filter’s physical form: circular or square, thickness (0.35–4.0 mm), and substrate material (BK7, quartz, or high borosilicate glass). Customization is often available—Jingsheng Optics supports non-standard dimensions and coatings like anti-reflective or hard film layers. Ultimately, matching the filter’s spectral profile to your instrument’s source and detector characteristics ensures optimal performance and prevents costly errors in data acquisition or device malfunction.
• Evaluating Filter Quality and Performance:
Beyond wavelength specifications, evaluating the overall quality and performance of a cutoff optical filter is essential to ensure long-term reliability and consistency. Nantong Jingsheng Optical Instrument Co., Ltd demonstrates excellence in this area through rigorous quality control processes backed by ISO9001 certification. Each batch of filters undergoes comprehensive testing, including spectral transmittance measurements, surface quality checks (meeting 60-40 standards), and stress level assessments (Class 3 or better). For example, their neutral gray glass ZAB50 exhibits uniform attenuation across the visible spectrum (400–700 nm) with a transmittance of approximately 50%, maintaining color neutrality—a key requirement for photographic ND filters and laser intensity control systems. The filter’s mechanical strength, chemical resistance, and thermal stability further enhance its suitability for harsh environments. Physical properties such as a thermal expansion coefficient of 3.3×10⁻⁶/K (for high borosilicate variants) and a softening point exceeding 820°C ensure dimensional stability under heat stress. Additionally, Jingsheng’s use of ion-assisted deposition (IAD) coating technology results in durable, scratch-resistant dielectric films that resist degradation from humidity, UV exposure, and mechanical wear. Real-world validation comes from customer feedback: Jiangsu Yaocheng Glass Products Co., Ltd praised Jingsheng’s filters for their “excellent consistency” in mass production runs, while Endershaus (Suzhou) recognized them as an “Excellent Service Quality Supplier.” These endorsements reflect not just product quality but also the manufacturer’s commitment to precision, traceability, and post-sale support. When evaluating filters, always request spectral data sheets, test reports, and sample units. Consider factors like coating durability, edge chipping risks, and compatibility with mounting hardware. Choosing a supplier like Jingsheng Optics—whose products have been validated in high-stakes applications ranging from aerospace optics to pharmaceutical R&D—ensures you invest in a filter that performs reliably, consistently, and safely across demanding operational scenarios.
--- Contact Us ---
We has extensive experience in Industry Field. Contact us for professional advice:Jingsheng 1521769906@qq.com.
--- References ---
Chen Xiaohong, 2023, Custom Cutoff Optical Filters for Biomedical Applications: A Case Study with Nantong Jingsheng Optical Instrument Co., Ltd
Jingsheng Optics, 2024, High-Performance UV-Blocking and Infrared-Transmitting Glass Solutions for Industrial Systems
Endershaus (Suzhou) Automation Instrument Co., Ltd, 2023, Integration of Orange Glass CB580 Filters in Laser Alignment Systems
Nantong Jingsheng Optical Instrument Co., Ltd, 2024, Technical Advancements in Ion-Assisted Dielectric Coating for Spectral Stability
Jiangsu Sanlian Biological Factory Co., Ltd, 2023, Performance Validation of DBT660 Bandpass Filters in Fluorescence Analysis
Ouyase Water Art (Taicang) Co., Ltd, 2024, Rapid Deployment of Quartz Glass Windows in High-Pressure Fluid Dynamics Experiments
The article comes from：< https://info.jsgxglass.com/where-to-find-cutoff-optical-filters-25945.html >