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Light-Emitting Diode (LED)
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SERVICE & APPLICATION
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ALPHA-ONE supplies high performance LED with every spectral wavelength from Ultraviolet to Infrared. Due to its excellent characteristics, they are widely used as a light source of analyzer, instruments and equipments in various fields.
We also cope with the customized models according to each customer’s requirements and support both the trial manufacture and mass-production.
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APPLICATION |
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Medical Instruments |
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Eyeball inspector, Funduscopy Instruments |
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Blood Analyzer |
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Traffic System |
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CCD Camera at parking lot |
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CCD Camera for recognizing the number (license) plate of cars |
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Security System (Self-identification) |
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Bill checker & counter |
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Automatic door |
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Smoke detector |
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Infrared Camera |
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Iris, Vein pattern checker |
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Finger print checker |
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Business Machine |
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Barcode Scanner (image detector) |
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Color copier (RGB detector) |
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Printing Machine |
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Projector |
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Measuring Instruments |
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Optical Encoder |
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Analyzer (water, body fluid, etc.) |
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Cameras |
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Automatic Focus |
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Transmission |
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Transmitter of sound or information |
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| LED LINE UP |
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 Stem Can Type (430nm~1450nm) |
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Alpha-One offers high reliability Stem Can type LED which can be a light source in various fields. Especially, they are widely used as a light source of optical encoders, chemical analyzers, and security systems.
Parallel ray LED, point-source LED and various viewing lens type are available.
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| Surface Mount Type (SMD) |
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| Small and compact SMD type LED are suitable for the minimization of whole unit. |
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| Ultraviolet (355nm~405nm) |
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UV LED from 355nm to 405nm is available. Especially, 382nm and 405nm has a high output power.
355nm & 360nm are suitable for photocatalysis and curing. The one with the wavelength below 355nm (240nm-345nm) is also available. Please ask us for the details. |
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| Parallel Ray LED for the optical rotary encoders |
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Alpha-One’s IR LED with parallel ray is widely used in the field of optical rotary encoders due to its excellent performance and high reliability.
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Parameter |
Excellent parallel ray LED |
Point source LED |
IF (DC) – MAX |
100mA |
VR (DC) – MAX |
5V |
Operating Temp. |
-30~+100℃ |
Radiated Power |
Typ. 10mW |
Typ. 6mW |
Typ. 2.7mW |
Forward Voltage |
Max. 2.0V |
Max. 1.8V |
Peak-wavelength |
870nm |
880nm |
Viewing angle |
±5° |
±4° |
±2.5° |
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| HIGH LUMINANCE Reflective Mirror Type LED |
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| AOP-series realizes greater radiation efficiency of LED chip, packed on a precise and compact SMD package with reflective mirror inside. The light from LED chip emitted onto the integral mirror inside of the package is reflected outside as the well-controlled parallel beam with higher performance and perfect light distribution. |
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| Great Performance of mirror type LED |
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Peak-wavelength
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AOP-series
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AOP5-series
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Conditions
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875nm
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230mW/sr
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700mW/sr
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IF=50mA
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625nm
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25000mcd
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30000mcd
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IF=20mA
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530nm
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18000mcd
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20000mcd
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IF=20mA
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470nm
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20000mcd
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35000mcd
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IF=20mA
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*** The other wavelength is available. ***
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| High Power mirror type LED |
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Peak-wavelength
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Performancr
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Conditions
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870nm
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1.40 W/sr
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IF=350mA
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2.30 W/sr
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IF=650mA
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630nm
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100 cd
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IF=350mA
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530nm
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220 cd
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IF=350mA
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470nm
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140 cd
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IF=350mA
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BOARD ASSEMBLY
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| Small & Compact 850nm LED with high radiant intensity for IR illuminators |
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AOP1-8505P3 was packed in the standard package of our existing reflective mirror type LED and developed especially for the long distance IR illuminators. The viewing angle is +/-7deg., and its radiant intensity is typ.340mW/sr with rather low current (IF=100mA).
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| IR Spotlight LED Unit ~HIGH POWER Mirror Type LED~ |
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| Infrared Spot Light LED Unit can realize an excellent beam light with extremely high radiant intensity (±4o). Alpha-One successfully developed it with the excellent and unique optical technology by combining the high power mirror type LED and the Fresnel lens. It is suitable and more convenient for light source for a long-distance irradiation such as surveillance system (IR illuminator for CCD cameras). |
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| Model No. AO850-4U |
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λp 850nm |
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Radiant Intensity |
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16W/sr (IF=650mA) |
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160W/sr (IFP=8A) |
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| Model No. AO940-4U |
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λp 940nm |
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Radiant Intensity |
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10W/sr (IF=500A) |
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20W/sr (IFP=14.4A) |
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| Super high power Infrared LED: AIR-series for a long distance illumination |
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AIR-series is a super high power Infrared LED developed for the application of a long distance irradiation by utilizing the original and unique optical technology of lens and the heat radiation.
The lens which was designed with the original technology was adopted, and so, the extremely strong and well-controlled beam light (±3.5o) can be obtained.
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Peak-wavelength
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Radiant Intensity
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IF=100mA
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IF=650mA
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850nm
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1W/sr
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6.5W/sr
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870nm
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1W/sr
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6.0W/sr
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940nm
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0.8W/sr
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4.0W/sr(600mA)
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| High Power & super beam IR LED module unit: AIR-14-3 series |
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| AIR-14-3 series is a super beam infrared LED module with 3 pcs of high power LED. With the originally developed optical lens, the irradiated light is well-controlled and the highest optical power is realized. |
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Conditions |
AIRP850P1/14-3 |
AIRD940P1/14-3 |
Output Power |
IF=100mA |
135 mW |
60 mW |
IF=300mA |
360mW |
180mW |
VF (Max) |
IF=100mA |
1.9V |
1.7V |
Peak-wavelength |
IF=100mA |
850nm |
940nm |
Viewing angle |
IF=100mA |
±4° |
±9° |
Radiant Intensity |
IF=100mA |
5.1W/sr |
0.45W/sr |
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| Long distance IR Illuminator with Reflective Mirror Type LED |
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| SIR-IL series is a long distance Infrared illuminator with numbers of reflective mirror type LED. By utilizing the superior performance of LEDs, the perfect irradiation can be realized. |
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Features |
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Waterproof Housing (IP66) |
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Automatic ON/OFF illumination (Day & Night switching) |
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Long distance illumination up to 1000M (at 0 lux) |
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Perfect radiation |
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SIR-5000IL series
(High Power LED model)
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SIR-V3000IL series
(LED: 98pcs/unit)
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Infrared peak-wavelength |
Typ. 850nm |
Input Voltage |
DC12V |
Irradiation angle |
Typ. 8° |
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Infrared peak-wavelength |
Typ. 850nm
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Input Voltage |
DC12V |
Irradiation angle |
14~28°(Flexible) |
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| Output-Feedback type LED: AL130K |
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For the applications with a highly stabilized light source for precise optical systems, an LED and a photodiode are combined and packaged together.
The photodiode defects changes in the LED light intensity and feeds this changes to an external power supply circuit for the LED. The circuit increases and decreases the voltage (or current) to maintain a stable intensity
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| CUSTOM-MADE SERVICE |
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We have various kinds of packages and chips. If you provide us with the detailed requirements such as
1) Wavelength,
2) Package
3) Viewing Half Angle, etc.
we can design and serve you what you need.
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| MULTI-CHIP models |
ALPHA-ONE supplies the custom-made LED with several kinds of chips (2~8 chips) in one package.
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| Assembly |
| ALPHA-ONE supplies the custom-made LED installed onto PCB. |
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| Please contact with us by advising your detailed requirements. |
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5.0mm and 
