Email: support@hemusun.com
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Customisable & Services

Our company specialises in customised services for optical components, with a full range of production lines from rough grinding and fine grinding to polishing, core taking, coating, gluing, black coating, cleaning and assembly. We have an experienced optical machining team, which has successfully produced more than 5000 kinds of lenses for more than 10 years, providing customised machining services for medium and high precision lenses.

We strictly follow the ISO9001 quality system and are equipped with highly sophisticated equipment such as ZYGO interferometers, VECCO interferometers, Raul spherical diameters and Shimadzu spectrophotometers to ensure real-time and precise control of the parameters of optical components.

In addition, we have also made a breakthrough in the development of optoelectronic components, and launched a series of products mainly consisting of laser measurement chips and laser measurement modules (covering 1D, 2D and 3D LIDAR). With their high precision, small size, low power consumption and stable performance, these products have won wide recognition and trust from customers around the world for their reasonable prices.

Our optical components are widely used in a variety of industries, such as industrial machines, semiconductors, medical devices, astronomical telescopes, aerospace, infrared night vision, laser technology and environmental monitoring, providing high-quality customised solutions to customers worldwide.
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Manufacturing Process

Our optical instrument manufacturing process includes steps such as: design and development, raw material procurement, fabrication and machining (cutting, grinding, polishing, coating, etc.) to ensure the accuracy and quality of optical assemblies and components; assembly and commissioning, quality control, final inspection and packaging. This is a brief description of the optical instrument production process. Each step requires strict control and quality management to ensure the production of high quality, high performance .

Optical Components-Glass

Windows

Windows act as transparent physical barriers that allow light to pass from one environment to a different one. An ideal window needs to meet the user's requirements by not altering the beam characteristics and allowing the beam to pass through with high stability and without obstruction. In order to approach this ideal, our company manufactures windows and optical flats with full consideration of material transmittance, uniformity, sub-surface defects, face accuracy, and parallelism; high transmittance, small wavefront aberration, and low scattering are achieved during the grinding process.
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Mirrors

Mirrors are an important class of optical components whose main function is to reflect light and change the direction of propagation of light. The design and manufacture of mirrors requires consideration of a variety of factors to achieve the desired effect. Mirrors are usually made of glass or metal and coated with highly reflective materials, such as silver, aluminium or gold, to improve reflection efficiency. Types include: flat mirror, concave mirror, convex mirror, etc.; Reflectors play a key role in optical systems, and their design and preparation directly affect the performance and efficiency of optical instruments.
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Lens

A lens is a core component in an optical component that is used to focus or divert light. Lenses are typically made of high quality optical glass, plastic or crystalline materials to ensure high light transmission and optical performance. It needs to have high light transmission, precise processing, and durability.
The types of lenses we can process and produce include: biconvex lenses, plano-convex lenses, plano-concave lenses, bi-concave lenses, positively curved moon lenses, negatively curved moon lenses, glued achromatic lenses, and more.


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Prisms

Prisms are an important optical component used to change the direction of light, to divide or combine light. Types include: right-angle prisms, beam-splitting prisms, and total reflection prisms; Prisms are usually made of high quality optical glass or crystalline materials, such as BK7 glass, calcium fluoride, and sapphire, to ensure high light transmission and optical performance. High precision cutting and grinding, anti-reflective coating, durability.
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Beamsplitters

Beamsplitters are unique optical elements used to split a composite light beam into different wavelengths, revealing the colourful world of light. Types include: prism beamsplitters, grating beamsplitters, and interference beamsplitters; beamsplitters are typically made of high-quality optical glass, quartz, or other transparent materials to ensure high light transmission and spectral resolution. High resolution, high light transmission, and durability are required.
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Filters

Filters are a key optical component used to selectively filter light at specific wavelengths. Types include: band pass filters, long pass filters, short pass filters, neutral density filters; usually made of glass, quartz or plastic and coated with specific optical coatings to achieve the desired filtering effect. High selectivity, high light transmission, and durability are required.


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Substrates

Optical substrates are used for the support and connection of optical components, such as optical lenses and filters. Substrates are usually made of glass, ceramics, metal or high-quality plastics, depending on the application. High precision processing, optical transparency, and durability are required.



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Customised Lenses

At present, we have produced nearly 5000+ kinds of lenses, and more than 60% of our front-line production technicians have more than 10 years of experience in processing optical components. Equipped with ZYGO interferometer, VECCO interferometer, Raul sphere diameter meter, Shimadzu spectrophotometer, etc., which can quantitatively control the important parameters of the optical components in real time, it is the best choice for you to customise optical lenses.
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Lens Customisation

The overall quality of an optical lens is closely related to the design, quality of components and assembly; we provide customised services from component processing to lens assembly. The aim is to provide customers with high quality lenses at a lower cost and time. Currently, customised lenses have the advantages of high coaxiality, high cleanliness and low surface deformation.


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Optical Components - Sensors

LDJ-610-690nm Low Power ToF 200m Laser Distance Sensor Module Photoelectric OEM ODM Sensor High Precision 1mm Resolution

The LDJ laser distance sensor represents a sophisticated sensing solution harnessing laser technology for precise distance measurement. Designed to facilitate secondary development and seamless data communication, it offers versatile compatibility with various communication interfaces including USB, TTL, RS232, RS485, and Bluetooth. Its customizable features include dual-color laser options—green and red—and selectable frequencies of 3Hz, 10Hz, and 20Hz, ensuring adaptability across diverse operational environments.
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LDK-610-690nm Low Power ToF 200m Laser Distance Sensor Module Photoelectric OEM ODM Sensor High Precision 1mm Resolution

The LDJ laser distance sensor represents a sophisticated sensing solution harnessing laser technology for precise distance measurement. Designed to facilitate secondary development and seamless data communication, it offers versatile compatibility with various communication interfaces including USB, TTL, RS232, RS485, and Bluetooth. Its customizable features include dual-color laser options—green and red—and selectable frequencies of 3Hz, 10Hz, and 20Hz, ensuring adaptability across diverse operational environments.
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LDL-High Precision Short Range 40m Laser Distance Sensor Module 20Hz Digital Real Time Data Output TTL 3mm High Accuracy

LDL laser distance sensor module, a 1mm precision laser distance measurement module, is a device utilized for measuring target distances and transmitting data. It employs visible laser technology to emit laser beams and receive reflected laser signals to measure the distance between objects and the sensor. The laser ranging sensor supports communication interfaces such as USB, TTL, RS232, RS485, Bluetooth, enabling data transmission and communication with other devices.

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PTFG-ODM OEM Laser Range Finder Sensor High Precision Laser Ranging Module 3000m

PTFG telescope pulse laser rangefinder module is a kind of outdoor golf rangefinder module, which is characterized by high accuracy, fast measurement, multi-functional application, high reliability and easy integration. The module uses pulsed laser technology to accurately measure the distance between the target object and the rangefinder.
Communication Interface
LDK Laser Distance Measuring Sensor supports USB, TTL, RS232, RS485, Bluetooth and other communication interfaces, supports arduino, raspberry pi and other external devices.


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PTFS-1000m Long Range Distance Sensor Laser Range Sensor OEM Module TOF Laser Sensor

The PTFS pulse laser ranging module is a module that uses pulsed laser technology to measure distance. It emits a series of pulsed laser beams and calculates the distance between the target object and the module by measuring the round-trip time of the laser beams.PTFS laser rangefinfer sensor has high ranging accuracy and long ranging range, strong anti-jamming ability, support for secondary development, a large number of ranges, safe for the human eye 905 nm, customizable frequency (3-400 Hz), available for both indoor and outdoor. It can be widely used in speed measurement, displacement measurement, distance measurement and other fields.
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TC22-1200m Raspberry Pi Laser Distance Sensor Optical Sensors Photoelectric Sensor Range Finder Laser for Drone

TC series pulse laser ranging module, the use of pulse ranging technology, can accurately measure the distance between the target object and the ranging module, it is compact, easy to install and carry, it has a high-precision ranging ability, the measurement distance up to 1200 m. Tc laser ranging sensors can be used in the UAV, night vision devices, tunnel monitoring, gun sights, optoelectronic pods, security monitoring, thermal imaging integration and other industries.




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TS1224-905nm 2km Eye Safe Compacted Laser Range Finder Module Drone Airplane Distance Sensor Temperature Resistance For UAV Pod

TS1224 distance module is a laser distance sensor based on 905nm semiconductor laser, with UART (TTL protocol) data transmission interface for users to easily facilitate secondary development.
Product Name:IP Protection Phase Distance Sensor
Protection Grade:IP67
Range of Measurement:0.03-100m(150m can be customized)
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MS-Customised housings

Industrial IP67 laser distance sensor, can be used in industrial environment and can meet the longer distance sensing needs, up to 150 meters. It has high reliability, strong anti-interference ability, adapt to harsh environments and other characteristics, suitable for industrial automation, cranes, railroad monitoring, and other fields. It can be used in the environment of -40-80℃, and can also be used underwater to complete the measurement and transmit the data to the control system for analysis and processing. Support USB, TTL, RS232, RS485, Bluetooth and other communication interfaces, can also be customized according to the application scenario and use of other interface types.
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ZSFS-Customised housings

Industrial IP67 laser distance sensor, can be used in industrial environment and can meet the longer distance sensing needs, up to 150 meters. It has high reliability, strong anti-interference ability, adapt to harsh environments and other characteristics, suitable for industrial automation, cranes, railroad monitoring, and other fields. It can be used in the environment of -40-80℃, and can also be used underwater to complete the measurement and transmit the data to the control system for analysis and processing. Support USB, TTL, RS232, RS485, Bluetooth and other communication interfaces, can also be customized according to the application scenario and use of other interface types.
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Hemu Sun

Hemusun Optical Instrument Co., Ltd. We are committed to providing high-quality, high-performance Optronics products that meet the needs of our customers in various fields.

Contact us

Phone:  +8618224497485
WeChat:  +xy18224497485
WathsApp: +8618224497485
Email:support@hemusun.com
Beijing: Building 2, Unit 1, Apartment 1423, Floor 14, Jia Yuan Fifth District, North Street, Shahe Town, Changping District, Beijing City
Sichuan: 1617A, Meihua Building, Jinjiang District, Chengdu, Sichuan, China.

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