Fresnel lens
08/03/2020

Design of Security Optical System with Fresnel lens and Reflectors

Recently, more and more people are asking about security optics. Usually, security optics use invisible infrared rays. It is constructed by transmitting infrared light to receive light coming back from an object. There was also an inquiry about the development of a security optics system in FresnelFactory, So we proceeded with the design of an...

04/25/2020
fresnel lens

TO INCREASE LIGHT EFFICIENCY FRESNEL LENS DESIGN WITH TOTAL INTERNAL REFLECTION STRUCTURE FOR NEAR INFRARED SENSORS

Recently, the development of Fresnel lens for NIR(Near Infrared) is increasing. Near infrared, also called NIR (Near Infrared), has various applications. Used in ADAS, Internet of Thing (IoT), Time of Flight (ToF), beauty and healthcare. In addition, the demand in the sensor sector is steadily increasing. FresnelFactory Inc. also recently...

03/31/2020
fresnel lens

PRESENT NEW NIR SOLUTION IN 2020 SPIE PHOTONICS WEST

Fresnel Factory Co,.Ltd exhibited various Fresnel lens for NIR(near-infrared), FIR(Far-infrared) and Motion sensor(PIR, Passive-infrared) at the 2020 SPIE Photonics West. We had a meeting with 83 companies and planned cooperation research with a global optics company. <SPIE Photonics West FresnelFactory booth> <...

03/10/2020
fresnel lens

INCREASING DEVELOPMENT OF NEAR-INFRARED (NIR) FRESNEL LENS

Recently, the development of Fresnel lens for near infrared ray is increasing. Near infrared, also called NIR (Near Infrared), has various uses. Used in self-driving cars, Internet of Thing (IoT), Time of Flight (ToF), beauty and healthcare. Near infrared has a wavelength of 0.75 ~ 3um and has 12 times higher penetration than...

glassy carbon mold for glass press molding upto 2000° C

glassy carbon mold for glass press molding upto 2000° C Introduces the development of glassy carbon mold, which is 99.2% carbon, capable of glass press molding with high melting point glass upto 2000 ° C. In the past, the lens was thermoformed with low melting glass material by using DLC (Diamond-like carbon) to increase the heat...

01/02/2020
fresnel lens

New optic development example by AR Fresnel lens

This is an example of developing Fresnel lens for Augmented Reality(AR) according to the development STEP of FresnelFactory Co., Ltd. Proceed as follows to develop high-performance lenses quickly   1. Confirm customer requirements and set development goals The customer had a requirement of more than Field Of...

Cast fresnel lens for near-infrared

I would like to know which point you want to check. NIR Transmittance of Material Verifying the optic design of the lens For 1. We can provide a sample Fresnel lens. Even it has different Focal and size from your design. It is specially tuned for NIR wavelength and has high hardness and heat resistance. The...

11/07/2018
fresnel lens

Mold production for injection molding of ultra-small precision optical lens

We introduce case of mold production for injection molding of ultra-small precision optical lens. In order to make injection molding of ultra-small precision optical lens which uses five sides of hexahedron as effective lens surface, we adopt fine mold processing, Surface roughness of 50nm or less, and tunnel gate. Hello, This is Fresnel Factory...

09/07/2018
fresnel lens

Fresnel lens manufactured by casting mold

Introducing Fresnel lens manufactured by casting mold. While improving optical lenses to be used as 3D optical elements for TV-sized glassfree 3D optics of 55 inches in Fresnel Factory, we introduced Fresnel lenses for the first time by introducing a casting mold that improves optical characteristics for obtaining high-quality images   Hello,...

06/13/2018
fresnel lens

Linear fresnel lens customzing from Canada

This customer is looking for linear type fresnel lens for concentrate photovoltaic. Below is email from the buyer. ------ I am looking for the pricing a custom made lens. The technical information is below:   - Diameter: 23 in - Type: Angle bending (12 deg) - Material: PMMA - Thickness: 3mm - Pitch/groove: standard (we are open...

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