THORLABS INTUN TL 1550-T Manual
  1. Manuals
  2. Brands
  3. THORLABS Manuals
  4. Measuring Instruments
  5. INTUN TL 1550-T
  6. Manual
THORLABS INTUN TL 1550-T Manual

THORLABS INTUN TL 1550-T Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
TL-T
INTUN Tunable Laser
Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the INTUN TL 1550-T and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for THORLABS INTUN TL 1550-T

Summary of Contents for THORLABS INTUN TL 1550-T

  • Page 1 TL-T INTUN Tunable Laser Manual...

  • Page 2: Table Of Contents

    Transporting, Storage, Packaging, and Unpacking .................. 35 6.2. Cleaning ................................ 35 Part 7. Troubleshooting and FAQ......................36 Part 8. Technical Specifications ......................... 37 Part 9. Regulatory ............................38 Part 10. Thorlabs, Inc. Worldwide Contacts....................39 12372-D02, 12/15/2007 Page 2 www.thorlabs.com...
  • Page 3 Output powers compared to wavelength tuning range............27 Figure 19: The rear connectors on the INTUN TL-T................28 Figure 20: Typical wavelength deviation as a function of input voltage..........33 Figure 21: Illustration of the calibration sequence ................34 12372-D02, 12/15/2007 Page 3 www.thorlabs.com...

  • Page 4: Part 1. Handling The Intun Tl-T

    • Always store and use the INTUN TL-T in a vertical position (as further described in the manual). • Handle with care when unpacking the INTUN TL-T. • The original transport case supplied by Thorlabs should always be used when shipping the INTUN TL-T to Thorlabs for service.

  • Page 5: Part 2. Introduction

    This manual describes how to interface and control the INTUN TL-T continuously tunable laser source (TLS), a flexible OEM module that is designed and manufactured by Thorlabs and is intended for integration into a variety of fiber optic test and measurement equipment, sensors, and spectroscopy systems.

  • Page 6: Part 3. System Description And Interfaces

    The INTUN is based on a Littrow resonator: 1) diffraction grating, 2) intra-cavity collimating hybrid (i.e., refractive and diffractive combination) achromatic lens, 3) laser diode, 4) output coupling optics including an isolator, 5) optical fiber, and 6) motor. 12372-D02, 12/15/2007 Page 6 www.thorlabs.com...

  • Page 7: Basic Operation

    INTUN TL-T. The laser chip and the laser cavity are kept at a constant temperature using a closed-loop thermoelectric cooler. 12372-D02, 12/15/2007 Page 7 www.thorlabs.com...
  • Page 8 All lasers, and especially lasers having resonator cavities defined by mechanical tolerances, are delicate precision instruments, and they must be handled accordingly. The INTUN TL-T is designed to withstand normal transport and operating conditions. 12372-D02, 12/15/2007 Page 8 www.thorlabs.com...

  • Page 9: Figure 3: The Intun Tl780-T Case

    INTUN Tunable Laser Figure 3: The INTUN TL780-T case 12372-D02, 12/15/2007 Page 9 www.thorlabs.com...

  • Page 10: Mechanical Interface

    The orientation of INTUN TL-T must be horizontal during operation. There are two mounting slots (M6 or 1/4") on the front of the INTUN TL-T as shown in Figure 4. The laser should be secured using both mounting slots. 12372-D02, 12/15/2007 Page 10 www.thorlabs.com...

  • Page 11: Figure 6: The Physical Layout Of The Intun Tl780-T

    In order to ensure specified performance, the unit is designed to withstand the following ETSI (European Telecommunications Standards Institute) standards with the exceptions given below. Storage and Transport ETS 300 019-1-1.1 (Storage in partially temperature-controlled locations) ETS 300 019-1-2.2 (Careful transport) 12372-D02, 12/15/2007 Page 11 www.thorlabs.com...

  • Page 12: Electrical Interfaces

    A control signal is defined as an input signal to the INTUN TL780-T (written to INTUN TL780-T). The control signals can be either analog or digital. A status signal is defined as an output signal from the INTUN TL780-T (read from the INTUN TL780-T). 12372-D02, 12/15/2007 Page 12 www.thorlabs.com...

  • Page 13: Figure 7: The Intun Tl780-T Control And Monitor Controls And Status Signals

    Figure 8. The top (6 pin) connector connects the DC power supply to the INTUN TL-T and the lower (40 pin) connector contains all other electrical control and status signals. Figure 8: Power (upper) and signal (lower) connectors 12372-D02, 12/15/2007 Page 13 www.thorlabs.com...

  • Page 14: Grounding Issues

    Row B pins and keep them at 0 V. This connection scheme ensures that the +5 V, +15 V, and –15 V supplies can be used for the user’s control electronics. However, a ground 12372-D02, 12/15/2007 Page 14 www.thorlabs.com...

  • Page 15: Figure 9: Intun Tl-T Recommended Connections For Electrical Power And Analog Signals

    (CMRR). Hence, grounding is not recommended for any of the analog control voltage terminals (see Figure 9). Figure 9: INTUN TL-T recommended connections for electrical power and analog signals 12372-D02, 12/15/2007 Page 15 www.thorlabs.com...

  • Page 16: Part 4. Power Supplies

    Requirements table. In addition, the pin configuration of the DC power connector can be found on page 29. The full pin configuration of the INTUN TL-T power and signal connectors are shown on page 28. 12372-D02, 12/15/2007 Page 16 www.thorlabs.com...
  • Page 17 = 0.3 Ω (up to 2 MHz) Overall Power Consumption < 20 W The electrical power is connected to the top (6 pin) connector, which is located on the left side of the INTUN TL-T. 12372-D02, 12/15/2007 Page 17 www.thorlabs.com...

  • Page 18: Triangular Generator Tl-F

    There are three connectors on the back of the TL-F and INTUN as shown above. One cable is connected to both the INTUN and the TL-F (cream cable), enabling signals to be transferred between the two while the other is for connecting the power adapter (black cable). 12372-D02, 12/15/2007 Page 18 www.thorlabs.com...

  • Page 19: Controlling The Intun With A Tl-F

    Note: To sweep over the entire range, the wavelength must be set to 5. 4. Tuning Speed: Sets the tuning speed from approximately 10 nm/s to 100 nm/s (0 ≈ 10 nm/s and 10 ≈ 100 nm/s). 12372-D02, 12/15/2007 Page 19 www.thorlabs.com...

  • Page 20: Digital Control And Status Signals

    The table below lists the available control signals. Prior to connecting the INTUN TL-T, carefully read the important note above, which defines the default logical state. The full pin configuration of the INTUN TL-T power and signal connectors are shown on page 28. 12372-D02, 12/15/2007 Page 20 www.thorlabs.com...

  • Page 21: Figure 14: Digital Input Circuitry

    When the digital control signal _OPTICAL_POWER_ENABLE is set to HIGH (5 V), the laser diode inside the INTUN TL-T unit is turned off regardless of the analog optical power input voltage. 12372-D02, 12/15/2007 Page 21 www.thorlabs.com...

  • Page 22: Figure 15: Digital Output Circuitry

    _OPTICAL_POWER_ERROR This status signal indicates that the laser current has exceeded 100 mA. This status signal indicates that the laser cavity is not operating at the _TEMPERATURE_ERROR correct temperature Figure 15: Digital output circuitry 12372-D02, 12/15/2007 Page 22 www.thorlabs.com...
  • Page 23 When the digital status signal _WAVELENGTH_ERROR is FALSE – HIGH (5 V), the error in the wavelength reading is approximately ±15 pm. Since it is the electronic error, other optical effects are not included such as mode hops and drift. 12372-D02, 12/15/2007 Page 23 www.thorlabs.com...

  • Page 24: Analog Control Signals

    (see Figure 12) that has a very high CMRR (Common Mode Rejection Ratio). Note that this is a differential input stage; therefore, both the + and − voltage terminals must be connected. 12372-D02, 12/15/2007 Page 24 www.thorlabs.com...

  • Page 25: Figure 16: Analog Input Circuitry

    WAVELENGTH_TUNING Voltage Desired Wavelength Voltage Settings - WAVELENGTH_TUNING set to 0 V Shortest wavelength corresponds to –10V +WAVELENGTH_TUNING set to -10V - WAVELENGTH_TUNING set to 0 V Longest wavelength corresponds to +10V +WAVELENGTH_TUNING set to +10V 12372-D02, 12/15/2007 Page 25 www.thorlabs.com...

  • Page 26: Figure 17: Wavelength Tuning Signal Verse Laser Wavelength

    +OPTICAL_POWER set to -1 V -OPTICAL_POWER set to 0 V Lowest optical power corresponds to 0 V +OPTICAL_POWER set to 0 V -OPTICAL_POWER set to 0 V Maximum optical power corresponds to +10 V +OPTICAL_POWER set to +10 V 12372-D02, 12/15/2007 Page 26 www.thorlabs.com...

  • Page 27: Figure 18: Output Powers Compared To Wavelength Tuning Range

    OPTICAL_POWER = 10 mV → laser diode current = 100 mA Analog Control: FINE_TUNING Provided that the FINE_TUNING_ENABLE is set to TRUE – LOW, the fine tuning can be set and tuned by applying a voltage to +FINE_TUNING and –FINE_TUNING as described in table below. 12372-D02, 12/15/2007 Page 27 www.thorlabs.com...

  • Page 28: Electrical Power And Signal Connectors

    Pin Configuration for the electrical power connector. Note that an increased cable area is recommended for the +5 V and GND (+5V) connections. The full pin configuration of the INTUN TL-T power and signal connectors is shown in the following table. 12372-D02, 12/15/2007 Page 28 www.thorlabs.com...
  • Page 29 Part Number 78207-106HLF). The mating connector is a housing for crimp terminals (FCI Connectors, Part Number 69176-006LF). The crimp terminals for the mating connector are (FCI Connectors, Part Number 47746-000LF for AWG 18-20 or 47745-000LF for AWG 22-26). 12372-D02, 12/15/2007 Page 29 www.thorlabs.com...

  • Page 30: Optical Interface

    RPS-40RLMG1). The mating connector is a dual-row female IDC connector for ribbon cable (Honda Part Number RPS-D40RFBG1). The cable for the mating connector is a 40-way ribbon cable with a pitch of 0.025" (0.635 mm). Thorlabs recommends 30 AWG (7/38 AWG) (Amphenol Spectra Strip Part Number 191.3005.040).

  • Page 31: Part 5. Operation

    6. To enable control of the INTUN TL-T, set the following digital control signals to LOW (0 V): WAVELENGTH_TUNING_ENABLE and OPTICAL_POWER_ENABLE. 7. The INTUN TL-T unit can now be tuned by applying a voltage between -10 and 10 V to the +WAVELENGTH_TUNING and the –WAVELENGTH_TUNING terminals. Furthermore, the 12372-D02, 12/15/2007 Page 31 www.thorlabs.com...

  • Page 32: Switching Off The Intun Tl-T

    1 V being applied to the OPTICAL_POWER signal input. Finally, since the cavity is sensitive to internal heat sources (i.e., the laser itself), the calibration data is only valid once equilibrium conditions have been established. 12372-D02, 12/15/2007 Page 32 www.thorlabs.com...

  • Page 33: Figure 20: Typical Wavelength Deviation As A Function Of Input Voltage

    • Set the WAVELENGTH _TUNING to 0 V • Set the Wavelength _TUNING_ENABLE to TRUE • Set the OPTICAL_POWER to 0 V • Set the Optical _POWER_ENABLE to TRUE • Set the OPTICAL_POWER to 1 V 12372-D02, 12/15/2007 Page 33 www.thorlabs.com...

  • Page 34: Figure 21: Illustration Of The Calibration Sequence

    • Perform the start-up procedure (see section 0). • Set the OPTICAL_POWER to the desired value. • Decrease the WAVELENGTH_TUNING monotonically between the calibration points. Optical Power Calibration points Start-up point Wavelength Tuning Figure 21: Illustration of the calibration sequence 12372-D02, 12/15/2007 Page 34 www.thorlabs.com...

  • Page 35: Part 6. Maintenance And Service

    INTUN TL-T module. 6.2. Cleaning To obtain the specified performance, it is very important that the fiber optical connector is clean. Always clean the optical connector with a proper cleaning tool prior to operating the laser. 12372-D02, 12/15/2007 Page 35 www.thorlabs.com...

  • Page 36: Part 7. Troubleshooting And Faq

    3. Check the voltage on the 5 V power supply. 4. Check the grounding of the system. The Output Power is Lower than Expected 1. Check that the shutter is fully open. 2. Check the set voltage. 12372-D02, 12/15/2007 Page 36 www.thorlabs.com...

  • Page 37: Part 8. Technical Specifications

    2.5 kg (5.5 lbs) At 0 dBm (±0.2 dB) output power applying a sweep mode. †) Dependent on customer interface Including rise and settling times ‡) Constant temperature (± 0.5°C) ***) Lower power available at limited performance 12372-D02, 12/15/2007 Page 37 www.thorlabs.com...

  • Page 38: Part 9. Regulatory

    9.1. Waste Treatment is Your Own Responsibility If you do not return an “end of life” unit to Thorlabs, you must hand it to a company specialized in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site.

  • Page 39: Part 10. Thorlabs, Inc. Worldwide Contacts

    INTUN Tunable Laser Part 10. Thorlabs, Inc. Worldwide Contacts For technical support or sales inquiries, please visit us at www.thorlabs.com/contact for our most up- to-date contact in information. USA, Canada, and South America UK and Ireland Thorlabs, Inc. Thorlabs Ltd.
  • Page 40 Thorlabs, Inc. 435 Route 206N Newton, NJ 07860 USA Phone: (973) 579-7227 ♦ Fax: (973) 300-3600 www.thorlabs.com...

Table of Contents