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Battery Biased Fiber-Optic Detectors

Our battery biased fiber-optic detectors are coupled to a 1 m length singlemode fiberwith an FC connector. We have already done the alignment for you with these fiber models as the PIN diodes used for these particular models are quite small (<40 µm).

Battery Biased Fiber-Optic Detectors

對比	型號
	818-BB-35F偏壓光電探測器，1000-1650nm，InGaAs，12.5 GHz，FC/UPC
	818-BB-45F偏壓光電探測器，400-900nm，GaAs，12.5 GHz，FC/UPC
	818-BB-51F偏壓光電探測器，1475-2100 nm，擴展型 InGaAs，12.5 GHz，FC/UPC

產品規格

型號	818-BB-35F	818-BB-45F	818-BB-51F
探測器材料	InGaAs	GaAs	Extended InGaAs
探測器直徑	0.032 mm	0.040 mm	0.040 mm
探測器類型	PIN	PIN	PIN
波長范圍	1000-1650 nm	500-890 nm	830-2150 nm
偏置電壓/偏壓	6 V	6 V	3 V
3 dB 帶寬	DC to 15 GHz	DC to 12.5 GHz	DC to 10 GHz
上升時間	25 ps	30 ps	28 ps
響應度	0.88 A/W @ 1550 nm	0.45 A/W @ 850 nm	0.95 A/W @ 2000 nm
光纖接頭	FC/UPC	FC/UPC	FC/UPC
光纖類型	Singlemode	Singlemode	Singlemode
NEP	<0.04 pW/√Hz	<0.02 pW/√Hz	<0.6 pW/√Hz @ 2000 nm
暗電流	< 3 nA	< 200 pA	<1 µA
飽和電流	10 mA	10 mA
反向擊穿電壓	25 V	30 V
結電容	<0.12 pF	<0.3 pF
輸出接頭	SMA	SMA	SMA
螺紋類型	8-32 and M4	8-32 and M4	8-32 and M4

特征

Biased InGaAs Fiber-Optic Detector

The 818-BB-35F
features a 0.032
mm diameter battery biased InGaAs
photodetector with a wavelength range of 1000 to 1650
nm. 
The detector is coupled to a 1 meter singlemode SMF 28e fiber with a FC/UPC connector. The
PIN Photodetector
utilizes the photovoltaic effect to convert optical power into an electrical current.

Battery Biased GaAs Fiber-Optic Detector

The 818-BB-45F
features a high speed 0.04
mm diameter battery biased GaAs
photodetector with a wavelength range of 400 to 900 nm.
The detector is coupled to a 1 meter singlemode SMF 28e fiber with a FC/UPC connector.

Extended InGaAs Fiber-Optic Detectors

The 818-BB-51F
features a high speed 0.04
mm diameter battery biased Extended InGaAs
photodetector with an extended wavelength range of 1475
to 2100 nm allowing monitoring of Thulium (Tm) and Holmium (Ho) doped lasers and other NIR lasers. The detector is coupled to a 1 meter singlemode SMF 28e fiber with a FC/UPC connector.

DC to 12.5 GHz Bandwidth

All of these high speed battery biased fiber-optic detectors offer a 3 dB bandwidth from DC to 12.5 GHz. 
The Frequency response of the 818-BB-51F is shown below.

Frequency response of the 818-BB-51F

Measure Pulsewidth or Frequency Response

These high speed detectors make a great fiber-optic front end for an scope or spectrum analyzer. 
When terminated into 50? into an oscilloscope, the pulsewidth of a laser can be measured. When terminated into a spectrum analyzer, the frequency response of a laser can be measured.

Optical Post Mounting

An 8-32 threaded hole at the bottom of 818-BB biased photoreceivers allows for optical post mounting.

Handle With ESD Care

These detectors are very susceptible to damage by electrostatic discharge (ESD). Please use ESD protective measures, like the FK-STRAP , when unpacking and handling these devices.