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EOT ET-3500AF, Руководство пользователя

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Electro-Optics Technology, Inc. 

3340 Parkland Ct. Traverse City, MI 49686 USA 

(231)935-4044 ׀ (800)697-6782   ׀[email protected] ׀ www.eotech.com 

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Amplified High Speed 

Fiber Photodetectors

 

User Guide

 

 

Содержание ET-3500AF

Страница 1: ...Electro Optics Technology Inc 3340 Parkland Ct Traverse City MI 49686 USA 231 935 4044 800 697 6782 sales eotech com www eotech com Page 1 of 7 Amplified High Speed Fiber Photodetectors User Guide ...

Страница 2: ... of Terms 6 I Amplified High Speed Fiber Photodetector Overview EOT s Amplified High Speed Fiber Photodetectors contain PIN photodiodes that utilize the photovoltaic effect to convert optical power into an electrical current and a fixed gain transimpedance amplifier allowing measurement of 1mW input powers Figure 1 below identifies the main elements of your Fiber Photodetector Figure 1 EOT Amplifi...

Страница 3: ...ive center pin Using a supply other than 5VDC could damage the detector H After being certain that the damage threshold of the detector is not exceeded turn on the laser III Troubleshooting A No signal is seen the first time the detector is used 1 Is the power switch on Is the external power supply connected 2 Is your signal a CW signal If so there will not be a signal output present because the d...

Страница 4: ... Speed Fiber Photodetectors Part No Model 120 10064 0001a ET 3500AF 120 10077 0001a ET 4000AF 120 10116 0001a ET 5000AF Detector Material InGaAs GaAs InGaAs Rise Time Fall Time 35ps 35ps 35ps 35ps 35ps 35ps Conversion Gain 1620V W at 1310nm 970V W at 850nm 2350V W at 2000nm Power Supply 5VDC 5VDC 5VDC Bandwidth 20kHz 10GHz 20kHz 10GHz 20kHz 10GHz Active Area Diameter 32µm 60µm 40µm Noise Equivalen...

Страница 5: ... from the workpiece could focus down onto the output displacer or polarizer inside the isolator The purpose of the spacer is to eliminate the conditions under which this could happen Should EOT s output isolators be purchased without the spacer or should the spacer be removed damage to the output displacer or polarizer will not be covered under warranty and the customer will be responsible for all...

Страница 6: ...hich would cause a large DC offset voltage Therefore the amplified detector is an AC coupled device and will have a low cut off frequency as well as a high cut off frequency Decoupling Capacitor Maintains bias voltage when fast pulses cause the battery voltage to reduce this would slow the response time of the photodiode the capacitor allows the battery to recover to its initial voltage It also ac...

Страница 7: ...ics Technology Inc 3340 Parkland Ct Traverse City MI 49686 USA 231 935 4044 800 697 6782 sales eotech com www eotech com Page 7 of 7 SMA Connector Used to connect the customer s coaxial cable for high frequencies ...

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