THE COMPANY
Changchun Sunday Optics Co., Ltd., founded in 2013 and located in Changchun City—China’s renowned optical base—is a precision optical components manufacturer providing integrated capabilities in optical glass processing, coating, optical assembly, and optical design. Sunday Optics specializes in the production of spherical lenses, aspheric lenses, cylindrical lenses, optical prisms, high-precision windows, optical filters, optical mirrors, coatings, and laser lenses. The minimum lens size can reach 0.3 mm, while prism 90-degree angle tolerance can be controlled within 2″. With a strong focus on high-precision optics, surface roughness can be guaranteed down to 0.1 nm, meeting the stringent requirements of advanced optical applications.
PRODUCTION LINE
View ProductEquipment: Sunday Optics owns milling and grinding machine, polishing machine, ring throwing, and CNC machine, glue machine, coating equipment. These equipments make complete production process of cutting, grinding, polishing, coating and glue and assembly.
Annual output: With multiple branches, our annual processing capacity up to 1 million pieces, which can achieve sample order and mass production.
Technical support: Relying on the technology of changchun institutr of optics, we can complete the processing of parts with high difficulty and provide optical design, assembly and other services.
Main materials: optical glass, infrared materials, BK7 FK61 CaF2 Silicon Germanium, etc.
Coating film: In addition to providing high-quality parts, we can also offer most kinds of coating, optical films equipped with crystal film thickness controller 360C and ion source to ensure the coating precision and quality.
PROCESS FLOW
01
Equipment
Sunday Optics owns milling and grinding machine, polishing machine, ring throwing, and CNC machine, glue machine, coating equipment. These equipments make complete production process of cutting, grinding, polishing, coating and glue and assembly.
02
Annual output
With multiple branches, our annual processing capacity up to 1 million pieces, which can achieve sample order and mass production.
03
Technical support
Relying on the technology of changchun institutr of optics, we can complete the processing of parts with high difficulty and provide optical design, assembly and other services.
04
Main materials
Optical glass, infrared materials, BK7 FK61 CaF2 Silicon Germanium, etc.
05
Coating film
In addition to providing high-quality parts, we can also offer most kinds of coating, optical films equipped with crystal film thickness controller 360C and ion source to ensure the coating precision and quality.
06
The testing
Relying on the technology of changchun institutr of optics, we can complete the processing of parts with high difficulty and provide optical design, assembly and other services.
Hard Power in R&D
Core Capabilities • End-to-End Optical Design
– Full-system architecture, stray-light suppression, tolerance & yield modeling, multi-physics simulation (thermal/structural/fluid).
– Native Zemax, Code V and SolidWorks environments for rapid virtual prototyping.
Advanced Metrology Laboratory
– 3 × Zygo interferometers, 2 × spectrophotometers, goniometers and profilometers ensure every design iteration is verified to spec before leaving the lab.
Ultra-Precision Manufacturing Research
– In-house developed CNC grinding & polishing platforms that achieve λ/10 surface accuracy and 2″ angular tolerance on prisms.
– Proprietary ion-assisted coating processes delivering >99.5 % transmission or reflection from 193 nm to 14 µm.
Materials & Process Innovation
– Research alliances with Changchun Institute of Optics enable rapid qualification of exotic substrates (CaF, ZnSe, Ge, Si, Sapphire) for aerospace and laser-fusion projects.
– Continuous DOE programs on anti-reflection, high-damage-threshold and diamond-like carbon films.
Deliverables That Prove Performance
0.3 mm micro-lenses used in endoscopic probes
300 mm large-format windows for satellite remote-sensing payloads
1064 nm high-damage mirrors sustaining 15 J/cm² for industrial ultrafast lasers
Custom IR aspheres that replaced three-element spherical stacks, cutting size/weight by 60 %.
Certificate
