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Product Description
Introduction

Enterprise Introduction
Enterprise Introduction
- Our company is a high-tech enterprise with the development of high-tech optical products as its leading role, integrating production and trade. Meanwhile, as a professional laboratory equipment supplier integrating science, industry and trade, we specialize in providing laboratory construction solutions for colleges, universities and institutions. The company consists of three divisions, Optical Products Division (Hengyang Optics), Research Instruments Division and Teaching Equipment Division.
Company Information
- The company provides technologies and processes for optical component coating/processing, precision optical instrument processing and precision optical instrument assembly; complete production lines and various advanced processing and testing equipment; perfect ERP enterprise management system and quality management system. The company mainly provides customers with high precision optical components in small and medium batches as well as large-scale production of optical components. We have realized complete information management from purchasing, production, quality control, sales, logistics and finance, with a series of fine management measures, so that the company is always running on the right and efficient track.
Application scope
- HENG YANG GUANG XUEproducts are mainly used in lasers, laser processing equipment, precision instruments, automation equipment, micro-measurement systems, architectural mapping, non-destructive testing, medical instruments, fiber optic communications, military equipment, infrared imaging, etc. The quality of our products has been praised by many colleges and universities, enterprises, and research institutions.
Key Specifications
Substrate Material | N-BK7(H-K9L) |
Diameter Tolerance | +0.0 / -0.1 mm |
Focal Length Tolerance | ±1% |
Clear Aperture | >90% of Diametere |
Design Wavelength | 587.6 nm |
Index of Refraction | 1.5168 |
Surface Quality | 40-20 Scratch-Dig |
Surface Flatness (Plano Side) | λ/2 |
Spherical Surface Power | 3λ/2 |
Surface Irregularity | λ/4 |
Centration | < 3 arcmin |
Abbe Number | v = 64.17 |
Wavelength Range | 350 nm - 2.0 μm (Uncoated) |
Wavelength Range | A Coating(350-700 nm) |
Wavelength Range | B Coating(650-1100 nm) |
Wavelength Range | C Coating(1050-1700 nm) |
PRODUCT DETAILS



*At present,HENG YANG GUANG XUE provides customers with six categories of products: optical components, polarized optical components, crystal components and optical coatings, optical machine products, optical systems, as well as a variety of optical system design and development services.
N-BK7 Transmission:350 nm - 2.0 µm
- N-BK7 is a RoHS-compliant borosilicate crown glass. It is probably the most common optical glass used for high quality optical components.
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