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Santec PCU-110 Operation Manual

Polarization control unit
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Polarization Control Unit
PCU-110
Operation Manual

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  • Page 1 Polarization Control Unit PCU-110 Operation Manual...
  • Page 2 1) When this product is brought out of Japan, some laws or regulations of a destination country may prohibit this product from being used there. In such countries, the use of this product may lead to punishment. Please note, that in such cases Santec Corporation shall not be held responsible in anyway.
  • Page 3 Polarization Control Unit PCU-110 Introduction Thank you very much for purchasing our product, the Santec PCU-110. This Operation Manual contains the necessary information for proper operation of the PCU-110, and it is intended for those with sufficient knowledge about the dangers of lasers and their safe control.
  • Page 4 This Operation Manual consists of 9 Chapters: Chapters 1 to 4 illustrate the outline of the product, safety precautions, and installation. Chapter 5 describes how to operate the product. Santec recommends that Chapter 1 to 4 be read carefully before proceeding to this chapter.
  • Page 5 Polarization Control Unit PCU-110 Markings on the instrument This mark is used on the equipment as warning of danger. Explanation of Terms The meanings of the following terms used in this Operation Manual are defined as below: (1) Meaning DANGER...

  • Page 6: Table Of Contents

    PCU-110 Operation Manual Contents Introduction How to Read the Manual Instrument Markings Explanation of Terms 1. Introduction 2. Product Composition 3. Panel Description Front Panel Rear Panel Bottom 4. Installation Warning and Caution Operating environments Power supply Maximum safe input power 5.
  • Page 7 Polarization Control Unit PCU-110 5-6-2 PCU-110 Status System 5-17 5-6-3 IEEE488.2 Common Commands –Detailed Description 5-19 5-6-4 PCU-110 Specific Command Overview 5-21 5-6-5 PCU-110 Specific Command – Detailed Description 5-23 5-6-6 Command Error 5-28 Power Monitor Signal Output 5-29 6. Specifications 7.
  • Page 8 PCU-110 Operation Manual...

  • Page 9: Introduction

    Polarization Control Unit PCU-110 Introduction The PCU-110 is a polarization state generation device. This device is capable of generating 6 special states of polarization (SOP) across the Poincare sphere: linear polarization states at 0°, +90°, +45°, and –45° as well as right hand circular (RCP) and left hand circular (LCP) polarization states, relative to the axis defined by an internal linear polarizer.
  • Page 10 PCU-110 Operation Manual...

  • Page 11: Product Composition

    Polarization Control Unit PCU-110 Product Composition This product is composed of the PCU-110 body and accessories. The following parts are included: 　・ PCU-110 Body 　・ Power cord 　・ Operation Manual & Software 　・ Inspection report Check to make sure that the product body and the accessories have no scratches or...
  • Page 12 PCU-110 Operation Manual...

  • Page 13: Panel Description

    Polarization Control Unit PCU-110 Panel Description 3-1 Front Panel Figure 3-1. Front Panel (1) Power on switch Switch the unit on and off using the power switch. (2) Optical input Port This port is connected with PM fiber. (3) Optical Output Port This port is connected with SM fiber.

  • Page 14: Rear Panel

    PCU-110 Operation Manual 3-2 Rear Panel Figure 3-2. Rear Panel (1) Power Monitor (2) USB Connector (3) LAN Connector (4) GPIB Connector (5) Main Power Connector Socket (6) Exhaust Fan (7) Name Plate (8) Frame Ground...

  • Page 15: Bottom

    Polarization Control Unit PCU-110 3-3 Bottom Figure 3-3. Bottom View (1) Slits These are slits for ventilation and cooling. It is important that the unit is used in a location which allows cool air to flow freely into the slits.
  • Page 16 PCU-110 Operation Manual...

  • Page 17: Installation

    ・ Do not place over a height of 2,000 meter. Clearance of 5 cm at the rear side of the unit should be allowed for proper ventilation. The PCU-110 weighs about 3.2 kg. Please ensure that the table or shelf upon which it is installed has sufficient strength.

  • Page 18: Power Supply

    PCU-110 Operation Manual 4-3 Power supply This product uses a 3-line power cord and plug with a protective ground line. Power cord may be attached and detached. Connect it to the power source socket at the rear panel. Use the power cord supplied with the unit. Power Voltage is between 100 to 240 Volts, and 50 to 60Hz AC Line.

  • Page 19: Basic Operation

    GPIB, LAN and USB as means of communication. The setting method, characteristics, and differences of each method are described below. PCU-110 can be used with santec PDL Swept Test System. The system software is provided with attached USB stick. CAUTION To prevent equipment failure, be sure to turn off the power before connecting or disconnecting the communication cable connector.

  • Page 20: Gpib Function

    GPIB has 10 kinds of interface functions, each of which has its grade that is called its subset. A “0” after the symbol of each function shows that support is not made, and each numeric value represents grade. Table 5-1. Subset of PCU-110 Symbol Function...

  • Page 21: Lan

    Polarization Control Unit PCU-110 5-2 LAN ■ 5-2-1 Connection Connect the LAN cable to the RJ-45 connector on the rear panel. LAN connector ■ 5-2-2 Communication Conditions and System Requirements Electrical Specifications : IEEE802.3 Standard Transfer Method: Ethernet (100BASE-TX) Transfer speed: 100Mbps...

  • Page 22: Usb

    PCU-110 Operation Manual 5-3 USB ■ 5-3-1 Connection Connect PCU-110 and your computer with attempt USB cable (Type B mini). USB connector ■ 5-3-2 Communication Conditions and System Requirements USB controller: Mfd. by Future Technology Devices International Ltd. USB 2.0 compatible...

  • Page 23: Installing A Usb Driver Software

    Even though some pop-up messages will be displayed when USB cable is connected the device and PC, please click cancel or close message. 1. Open “Device Manager” (Figure 5-3-3-1) and open “PCU-110” under “Other devices.” Right-click on “PCU-110” and click on “Update Driver Software...”.
  • Page 24 PCU-110 Operation Manual 2. Click on “Browse my computer for driver software” when message window (Figure 5-3-3-2) appears. Figure 5-3-3-2. Update driver software 3. On message window (Figure 5-3-3-3), click on “Browse” button to select the driver software location under Removable disk included in package. (e.g. D:\Common\USB Driver on Figure 5-3-3-3) Figure 5-3-3-3.
  • Page 25 Polarization Control Unit PCU-110 4. Installation will automatically start. Message window Figure 5-3-3-4 will appear. Figure 5-3-3-4. Installation in progress 5. If a Windows Security message in Figure 5-3-3-5 appears, please click on “Install” to proceed. Figure 5-3-3-5. Security warning...

  • Page 26: Installing A Vcp Driver Software

    To enable VCP communication, VCP driver software must be installed. 1. After installed USB driver software by 5-3-3, open “Device Manager” (Figure 5-3- 4-1), and open “Santec USB PCU-110” under “Universal Serial Bus Controllers”. Rightclick on “Santec USB PCU-110” and click on “Properties”.
  • Page 27 Polarization Control Unit PCU-110 Figure 5-3-4-1. Device manager 2. Check “Load VCP” in “Advanced” tab and click “OK”. Figure 5-3-4-2. Santec USB PCU-110 Properties...
  • Page 28 PCU-110 Operation Manual 3. Disconnect USB cable from PC, and reconnect to PC. Open “Device Manager” (Figure 5-3-4-3) and open “USB Serial Port” under “Other Devices”. Right-click on “USB Serial Port” and click on “Properties”. Figure 5-3-4-3. Device manager 5-10...
  • Page 29 Polarization Control Unit PCU-110 4. Click “Update Driver…” in “Driver” tab. Figure 5-3-4-4. USB Serial Port Properties 5-11...
  • Page 30 PCU-110 Operation Manual 5. Click on “Browse my computer for driver software” when message window (Figure 5-3-4-5) appears. Figure 5-3-4-5. Update Driver Software 5-12...
  • Page 31 Polarization Control Unit PCU-110 6. On Message window (Figure 5-3-4-6), click on “Browse” button to select the driver software location under Removable disk included in package.(e.g. D:\Common\USB Driver on Figure 5-3-4-6) Figure 5-3-4-6. Search for driver software location 7. Installation will automatically start. Message window Figure 5-3-4-7 will appear.
  • Page 32 PCU-110 Operation Manual 8. Installation is completed successfully when Figure 5-3-4-8 appears. Click on “Close” to Exit the installation. Figure 5-3-4-8. Installation complete 9. Open “Device Manager” (Figure 5-3-4-9), to check added information of serial port number on “Ports (COM & LPT). (E.g. USB Serial Port (COM4)) Figure 5-3-4-9.

  • Page 33: Turning On Pcu-110

    Polarization Control Unit PCU-110 5-4 Turning on PCU-110 Press the Power on Switch on the front panel, and the LED turns green. To ensure the performance of this product, please wait at least 30 minutes for the warm-up time after turning on the power.

  • Page 34: Command Reference

    PCU-110 Operation Manual 5-6 Command Reference PCU-110 has common commands based on the IEEE488.2 standards, and unique commands for the PCU-110. Explanation of each command follows. ■ 5-6-1 Common Commands Available for IEEE488.2 common commands in the following list. (Refer to Table 5-2.) Table 5-2.

  • Page 35: Pcu-110 Status System

    Polarization Control Unit PCU-110 ■ 5-6-2 PCU-110 Status System The following status systems with four registers are provided. I. Status Byte Register (STBR) II. Service Request Enable Register (SRER) III. Standard Event Status Register (SESR) IV. Standard Event Enable Register (SEER) 1) Status System Structure Overview Figure 5-4.
  • Page 36 PCU-110 Operation Manual RQS (Request Service Bit): RQS is set when a Service Request is issued. ESB (Event Status Bit): ESB is set when any of the bits of the Standard Event Status Register (SESR) is set. MAV (Message Available Bit): MAV is set when output data is prepared.

  • Page 37: Ieee488.2 Common Commands -Detailed Description

    Polarization Control Unit PCU-110 ■ 5-6-3 IEEE488.2 Common Commands –Detailed Description 1) *IDN? Identification Query Syntax *IDN? Description A query to identify the device; places strings of device information such as the name, firmware, and version in the output queue.
  • Page 38 PCU-110 Operation Manual 5) *OPC? Operation Complete Query Syntax *OPC? Description Places 1 in the output queue when all operation processing has completed. Response 0: (In operation) 1: (Operation completed) 6) *CLS Clear Status Syntax *CLS Description Clears all event registers and queues (except for the output queue) and reflects the summary in the Status Byte Register.
  • Page 39 64 and the value of the Status Byte Register (since Bit 6 is set in the serial poll). 5-6-4 PCU-110 Specific Command Overview ■ An overview of the specific commands is shown in the following table. Table 5-3. PCU-110 Specific Command List Command Description Page :POLarization...
  • Page 40 PCU-110 Operation Manual :SYSTem:COMMunicate:GPIB:ADDRess? Reads out the GPIB address. 5-25 Sets the command delimiter for GPIB :SYSTem:COMMunicate:GPIB:DELimiter 5-25 communication. Reads out the command delimiter for :SYSTem:COMMunicate:GPIB:DELimiter? 5-26 GPIB communication. :SYSTem:COMMunicate:ETHernet:DHCP Sets DHCP 5-26 :SYSTem:COMMunicate:ETHernet:DHCP? Reads out DHCP 5-26 :SYSTem:COMMunicate:ETHernet:IPADress Sets IP address...
  • Page 41 Polarization Control Unit PCU-110 ■ 5-6-5 PCU-110 Specific Command – Detailed Description Specific commands are described in detail as follows. 1) Optical output related commands :POLarization Syntax [:OUTput]:POLarization<wsp><value> Description Sets polarization state. Parameter 1: Vertical Linear Polarization 2: Horizontal Linear Polarization 3: +45°Linear Polarization...
  • Page 42 PCU-110 Operation Manual POWer:UNIT? Syntax [:SENSe]:POWer:UNIT? Description Reads out the power unit. Parameter None Response 0: dBm 1: mW Example :POW:UNIT? The power unit is “dBm”. :POWer[:LEVel]? Syntax [:SENSe]:POWer[:LEVel]? Description Reads out the monitor output power. Parameter None Response Range: -40dBm ~ +10dBm...
  • Page 43 Polarization Control Unit PCU-110 Example :SYST:VERS? → 0001.0000 :SYSTem:COMMunicate:GPIB:ADDRess Syntax :SYSTem:COMMunicate:GPIB:ADDRess<wsp><value> Description Sets the GPIB address. Parameter Integer from 1to 30. Response None Example :SYST:COMM:GPIB:ADDR 10 Sets the GPIB address to “10”. :SYSTem:COMMunicate:GPIB:ADDRess? Syntax :SYSTem:COMMunicate:GPIB:ADDRess? Description Reads out the GPIB address.
  • Page 44 PCU-110 Operation Manual :SYSTem:COMMunicate:ETHernet:DHCP Syntax :SYSTem:COMMunicate:ETHernet:DHCP<wsp><value> Description Sets DHCP Parameter 0: DHCP disable 1: DHCP enable Response None Example :SYST:COMM:ETH:DHCP 1 :SYSTem:COMMunicate:ETHernet:DHCP? Syntax :SYSTem:COMMunicate:ETHernet:DHCP? Description Reads out DHCP setting Parameter None Response 0: DHCP Disable 1: DHCP Enable Example : SYST:COMM:ETH:DHCP? →...
  • Page 45 Polarization Control Unit PCU-110 Response ***.***.***.*** (*** is integer from 0 to 255) Example :SYST:COMM:ETH:SMAS? → 255.255.255.0 :SYSTem:COMMunicate:ETHernet:DGATeway Syntax :SYSTem:COMMunicate:ETHernet:DGATeway<wsp><value> Description Sets default gateway when DHCP is disabled. Parameter ***.***.***.*** (*** is integer from 0 to 255) Response None Example :SYST:COMM:ETH:DGAT 192.168.0.254...

  • Page 46: Command Error

    PCU-110 Operation Manual ■ 5-6-6 Command Error Errors issued are stored as error messages in the error queue and can be read out with the ”:SYSTem:ERRor?” command. The list is as shown in Table6-6 Command Error List. Table 5-4. Command Error List...

  • Page 47: Power Monitor Signal Output

    This feature outputs the voltage according to integrated power monitor. It can be used to compensate output power fluctuation in real time, for example. (This feature is best recommended to be used with Santec’s power meters (MPM series) as WDL/PDL measurement solution, Santec’s Swept Test System)
  • Page 48 PCU-110 Operation Manual Figure 5-5. Output voltage characteristics with respect to optical power (Typical value) Table 5-5. Coefficients between optical power and ouput voltage (Typical value) Range Number Optical Power Range (mW) Output Voltage Coefficient (V/mW) 100 - 0.004 0.02 20 to 100 4 to 20 0.8 to 4...

  • Page 49: Specifications

    Polarization Control Unit PCU-110 Specifications Parameter Specifications 1260 to 1360 / Wavelength Range 1480 to 1640 4 (2.5 typ.) Insertion Loss WDL(Wavelength Dependent loss)(typ.) Insertion Loss Variation(SOP Dependence)(typ.) Return Loss Maximum Safe Power -27 to 16 Power Range degree ±5 SOP Relative Accuracy (typ.)
  • Page 50 PCU-110 Operation Manual...

  • Page 51: Maintenance

    7 - 2 Cleaning the Optical Connector Dust and dirt on the ends of the optical connector(s) found on the PCU-110 can cause a loss of optical output. Therefore, the connectors should be cleaned regularly. The optical adapter connected to the optical connector may be pulled out by removing fixation screws;...

  • Page 52: Replacing Fuses

    PCU-110 Operation Manual ■ Procedures : 1. Remove the 2 screws that fix the optical adapter with a Philips screwdriver. 2. Pull out the optical adapter. To facilitate removal, attach a connector cap to the optical adapter, and pinch and pull out the connector cap.

  • Page 53: Re-Packing And Shipping

    Polarization Control Unit PCU-110 Re-packing and Shipping Special attention for re-packing and shipping is required when you ship the instrument for repair or to a remote location. 8-1 Re-packing Please make sure that the original shipping box is used during the shipment, according to the following instructions.
  • Page 54 PCU-110 Operation Manual...

  • Page 55: Troubleshooting

    Polarization Control Unit PCU-110 Troubleshooting Fault condition Cause Action No power Cord is unconnected. Connect cord properly. No fuse or fuse is blown out. Open the fuse box lid and replace fuse. No light output End face of the optical connector Clean the end face of the optical is dirty.
  • Page 56 Santec Photonics Laboratories. Our telephone number and facsimile number are shown below. However, we are not responsible for any trouble arising from your own repair or modification on this product.

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