Chromatic Confocal Sensor

The Analects, Zi Han: "The Master standing by a stream, said: It passes on just like this, not ceasing day or night!" Cherishing time as gold and being efficient and pragmatic is our original intention. —— With a commitment to efficiency, we provide efficient optical solutions for our clients through professionalism and speed. The highest good is like water, and resting in the highest good is our philosophy. —— Following the way of physics, with innovation and craftsmanship, we precisely break through the "stuck" problem, revealing true mastery in the finest details. To walk towards the light and journey together into the boundless is our aspiration. —— Leveraging the power of optics, with sincerity and openness, we join hands with partners to embark together on a broader technological future. Zikai Optics on the River, your loyal and reliable OEM partner. We are dedicated to providing you with efficient optical OEM solutions. The origin of the name of Zai Chuan Shang Optics Cherish time as gold, be efficient and pragmatic; respect the laws of physics, and keep solutions flexible and adaptable. Cherish time as gold, be efficient and pragmatic 《论语·子罕 SCI papers：“子在川上，曰：逝者如斯夫！不舍昼夜。” The company is named "Zi Zai Chuan Shang," derived from Confucius's profound lament on the passage of time. We take this as self-encouragement: time flows like water and never returns; only by treasuring every moment and being efficient and pragmatic can we deliver the most professional and swift solutions to our clients in the ever-changing field of optics. Respect physical laws, and be flexible and adaptable in solutions However, our "speed" is never blind, let alone reckless. In Chinese culture, flowing water carries a deeper meaning: following the Way, attaining the highest good. Laozi said: "The highest good is like water." Water is the highest good because it respects the way of nature—it does not forcefully resist, yet it can wear through stone drop by drop; it acts in accordance with the situation, and ultimately it can flow endlessly, split mountains and open valleys, and merge into the vast sea. Optical R&D and production are, in essence, a dance with the laws of physics. True "speed" is not impetuous haste, but a deep understanding of and respect for the boundaries of physical laws, seeking the optimal path within constraints, and breaking through performance limits within process limitations. Like a gentle stream, it flows around mountains, gathers in valleys, is flexible yet unyielding, and ultimately becomes a river, surging forward. Original Aspiration · Philosophy · Ambition • Cherishing time as gold and being efficient and pragmatic is our original aspiration —— With a commitment to efficiency, we provide efficient optical solutions for our clients with professionalism and speed; • The highest good is like water, and resting in the highest good is our philosophy —— Following the way of physics, with innovation and craftsmanship, precisely break through the "stuck" problem, and reveal true mastery in the finest details; • Walk toward the light and journey together into the boundless—this is our aspiration —— Leveraging the power of optics, with sincerity and openness, we join hands with our partners to embark together on an even broader technological future. Starting from technical support Where does the power to perceive the essence of optics come from? Zizai Chuanshang Optics began with technical support. Through years of deep cultivation in the industry, we have built a unique multi-directional technical cycle of "teaching, design, and solutions." Our understanding of optics comes not only from theories in textbooks, but also from the practical tempering of the trinity of "teaching, design, and solutions." This is precisely where our confidence in seeing the essence lies. Promoting learning through teaching: Solidifying the theoretical foundation in the mutual growth of teaching and learning We have long organized optical design training, breaking down and teaching complex principles of physical optics. As the ancients said, "Teaching and learning promote each other." In the process of answering clients' questions and analyzing the underlying logic, our understanding of geometrical optics, aberration theory, and material properties has long surpassed the dimensions of conventional design, forming a systematic and essential theoretical intuition. Practical Verification: Breaking Free from Formulaic Constraints in Myriad Designs We do not merely apply the software's default merit function; instead, through countless innovative designs, we verify and expand the boundaries of optical principles. We deeply understand the physical meaning behind every parameter and can flexibly apply principles for customized design based on actual needs, rather than mechanically copying them. Attaining Enlightenment Through Understanding the Way: Striking at the Core of the Problem in Complex Scenarios From theoretical design to on-site installation and adjustment, we have gone to the front lines countless times to solve "tricky problems." When theory conflicts with reality, it is precisely through our deep understanding of principles that we quickly identify whether the issue is a machining error, installation and adjustment stress, or a design tolerance. This closed loop of "starting from principles, solving practical problems, and then feeding back into theory" has honed our ability to see through appearances to the essence—a true "fiery golden eye." Your efficient OEM solution provider With professional definition speed, let innovation no longer wait. Senior engineers engage in direct consultation, sketch optical path diagrams on site, and provide instant analysis of solution feasibility. Abandon the lengthy waiting of sales intermediaries, replace ineffective communication with professional dialogue, finalize the technical path on site, and let needs and solutions resonate with zero time difference. There is no loss from intermediate links, no delay from repeated confirmations. The technical team directly listens to the needs and uses professional efficiency to shorten the decision-making chain, allowing every optical solution to be transformed into an executable and precise blueprint at the first opportunity, truly achieving efficient collaboration where "what you think is what you get." Profound theoretical foundation and rich experience enable the rapid construction of practical and feasible optical solutions. Each hand-drawn optical system schematic, processing technique diagram, and debugging technique diagram is the concretization of our optical designers' experience and wisdom. They have been deeply engaged in the field of optics for many years, and are not only well-versed in the subtleties of optical principles, but also able to precisely control every detail of process implementation. It is precisely because of this that they do not need to rely on computers, and with only their profound accumulation, they can quickly construct practical and feasible optical solutions. This "speed" comes from a thorough mastery of both principles and processes; this "professionalism" is reflected in the seamless connection from design to execution. Choosing us means choosing a team that can both look up to the peaks of theory and keep its feet on the ground to turn solutions into reality. Every detail has already been comprehensively considered by them. Full-process coverage · Ultra-fast delivery — Your expert in optical lens prototyping and mass production Our production line is specifically built for rapid small- and medium-batch processing. From low polishing to high polishing, from φ1.5mm micro lenses to φ150mm large apertures, we have full-chain processing equipment, thoroughly breaking down the barriers between R&D, prototyping, and production, and greatly improving the efficiency of optical lens prototyping and mass production. Leveraging our equipment and process advantages, we have achieved a seamless connection of "prototyping as mass production": we can rapidly complete sample validation for lenses of various sizes, and directly reuse the process in the production line, enabling rapid delivery of thousand-piece orders within one month. With full-chain equipment as the foundation, every optical manufacturing task combines precision and speed. Your reliable value co-creation partner With innovative concepts, break through theoretical limits, process constraints, and cost-effectiveness challenges. Systematic thinking: integration of software and hardware, breaking through optical limits with innovative concepts We break free from the limitations of single optical design and integrate full-chain capabilities across optics, mechanics, electronics, and computing with a "system-level solution" mindset—when optical means alone cannot solve a problem, we achieve breakthroughs through collaborative innovation of software and hardware. For example, in angle measurement scenarios, we abandon the precision bottleneck of traditional imaging methods and innovatively adopt a fusion scheme of "speckle projection + centroid algorithm": converting light spots into random speckles projected onto the detector, and then precisely calculating the centroid displacement of the light spots through software, ultimately achieving a measurement precision an order of magnitude higher than traditional methods; faced with the resolution and field-of-view limitations of complex optical paths, we can locate the core bottlenecks through system-level analysis (such as diffraction limits, aberration coupling, etc.), and then break the boundaries through a combination of optical structure optimization and software algorithm compensation. This kind of systematic thinking that is "not limited to optics, yet understands optics better" allows us to find the optimal path for customers with lower cost, higher efficiency, and better performance. Process-oriented design: from micrometers to hundreds of millimeters, turning "difficult to machine" into "easy to mass-produce" We reject "armchair strategizing" in design and deeply embed process feasibility into our R&D DNA—whether it is the precision control of large-size lenses or the mass-production challenges of ultra-small 1.5mm lenses, breakthroughs can be achieved through upfront "design-process" collaboration. In response to the pain points of poor machining accuracy and low assembly yield in micro lens spacers, we innovatively adopt an "integrated design without spacers." Through lens structure optimization and tolerance allocation, we completely abandon the traditional spacer process, which not only reduces machining difficulty but also improves assembly stability. Facing the challenge of surface shape accuracy control for large-size lenses, we ensure consistency from design to mass production through process simulation and assembly adjustment compensation. This philosophy of "design for manufacturability" allows us to meet optical performance requirements while bridging the "last mile" for our customers from prototype to mass production, truly achieving "design is mass production." Value co-creation: Define "reasonable metrics" through professional communication, so that every bit of cost is spent where it matters most We deeply understand: the value of an optical system lies not in the "stacking of specifications," but in "precise matching." In the early stages of a project, we break down the client's true needs through in-depth communication, and use professional experience to perform a "reasonableness calibration" on the initial specifications—avoiding the cost waste caused by "over-design" while also preventing the performance compromise triggered by "insufficient specifications." For example, in a certain project, the stringent tolerance requirements initially proposed by the customer not only drove up machining costs but also led to low assembly and adjustment yields. Through system-level analysis and process validation, we worked with the customer to optimize key metrics: while retaining core performance, we relaxed non-sensitive tolerances, ultimately creating a mature product with a 30% improvement in cost-effectiveness, which not only met the end application scenario but also helped the customer achieve controllable mass production costs. This communication model of "customer demand as the center, professional capability as the support" makes us not only a supplier, but also a "value partner" on our customers' R&D journey. Your escort and firefighting captain Use multiple technological paths to solve R&D challenges, helping you achieve a perfect landing from inspiration to product. Full-dimensional detection closed loop + deep tracing, leaving no hidden problem undetected Inspection is not just about "pass or fail"; it is about providing a data compass for insight into the essence. We have established a full-dimensional inspection system from surface figure accuracy to microscopic defects, combined with self-developed analysis algorithms, which can quickly capture micron-level errors and trace them back to specific process steps. The dual verification of inspection data and optical engineers' experience solves the problem of "measurable but incomprehensible." From lens stress to eccentricity stacking, every "hidden reef" that could slow down the project is cleared in advance. With a thousand practical experiences, crack the "last mile" of optical challenges Optical stray light has strong concealment and complex causes, making it the most difficult hidden pain point to fundamentally eliminate in optical systems. Relying solely on equipment detection cannot achieve traceability. Only by relying on a profound foundation in optical principles, years of practical experience, meticulous logical analysis, and combining with extensive repeated experimental verification can stray light be fundamentally eliminated at its root. We have designed, debugged, and disassembled thousands of optical lenses, covering various optical path solutions such as projection optical paths and direct-view microscope optical paths. Every past success and failure in stray light suppression has been accumulated into the company's unique tacit technical database. By leveraging a three-pronged troubleshooting approach that integrates principle analysis + accumulated experience + data verification, the root cause of stray light in the observation optical path of the fundus camera was precisely identified. Techniques such as the black dot plate and rotating glare stop were adopted to effectively suppress overexposed ghost images and stray light. Relying on the technical confidence accumulated through thousands of debugging sessions, we overcome industry difficult problems that standard processes struggle to cover, fundamentally eliminate various hidden defects such as stray light interference and assembly tolerance accumulation, and ensure that every optical system meets standards precisely and is delivered successfully. Use supply chain wisdom to quickly resolve crises In the development of optical systems, various unexpected problems are inevitable. And we are not only your "escort" on the R&D journey, but also the "firefighting captain" at critical moments. We have multiple technical approaches to solve unexpected problems in optical R&D. For example: when it is found that field curvature requires urgent correction, we do not start grinding lenses from scratch. Instead, relying on our supply chain resource network built over many years of deep cultivation in the optical industry, we retrieve ready-made high-precision concave lens samples and use them directly for aberration compensation experiments. This kind of retrieval not only shortens the correction cycle from weeks to days, but also avoids high mold-opening costs. We are not just solving problems, but redefining the solutions to problems with industry resources, and even more so, clearing obstacles for your products with experience. Build complex optical paths using off-the-shelf products to shorten development cycles Building complex optical paths using off-the-shelf products is extremely difficult. It requires a triple capability: "theoretical guidance + resource integration + experience as a fallback." A customer was once in a desperate situation near the delivery deadline because the complete lens designed by the previous supplier still failed to meet performance standards after multiple rounds of machining and modification. Our company stepped in urgently, redesigned the optical path based on theoretical analysis, and used off-the-shelf products for rapid verification, helping the customer regain precious time and ultimately meet the delivery deadline. Building a Non-standard Inspection System: Based on Principles, Breaking the Dilemma of "No Standards to Follow" For non-standard requirements such as special wavelength band transmittance testing and freeform surface lens performance evaluation, we can quickly build customized inspection platforms. From dedicated inspection fixtures for laser printing systems to integrated "assembly-adjustment-inspection" systems for endoscopes, we flexibly construct "one-to-one" solutions based on optical principles, helping customers solve testing and debugging challenges that traditional equipment cannot adapt to. Rapid response and precise verification ensure that non-standard needs no longer become a project bottleneck. Join hands with you to make the world clearer, more authentic, and more beautiful We do not just provide optical solutions; we are your full-process partner from concept to mass production. Confucius by the River OEM Solution, Precisely Empowering Every Sight From digital cultural heritage to medical optics, from nature observation to life sciences, Zizaichuanshang Optics provides one-stop OEM customization solutions for various industries with profound optical design and manufacturing capabilities. We do not just provide optical solutions; we are your full-process partner from concept to mass production. Over a decade of deep cultivation · Focused on OEM optical solutions Founded in 2012, innovation and excellence are the foundation of our company. Zai Chuan Shang Optics has always upheld the core beliefs of innovation and excellence. From industrial precision inspection to immersive virtual reality, and then to life science research, we use the power of optics to continuously expand the boundaries of industry applications. We look forward to in-depth collaboration with you to jointly create infinite possibilities for the future of optics.