THORLABS SLS303 User Manual
THORLABS SLS303 User Manual

THORLABS SLS303 User Manual

Stabilized benchtop ir

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SLS303
Stabilized Benchtop IR
Light Source
User Guide

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Summary of Contents for THORLABS SLS303

  • Page 1 SLS303 Stabilized Benchtop IR Light Source User Guide...
  • Page 2: Table Of Contents

    6.1. Fuse Replacement ...................... 13 6.2. Globar Replacement ....................13 Chapter 7 Specifications ........................16 Chapter 8 Mechanical Drawings ...................... 17 Chapter 9 Certifications and Compliances ..................18 Chapter 10 Regulatory ........................19 Chapter 11 Thorlabs Worldwide Contacts ..................20...
  • Page 3: Chapter 1 Warning Symbol Definitions

    Stabilized Benchtop IR Light Source Chapter 1: Warning Symbol Definitions Chapter 1 Warning Symbol Definitions Below is a list of warning symbols you may encounter in this manual or on your device. Symbol Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or Chassis Terminal...
  • Page 4: Chapter 2 Safety

    Stabilized Benchtop IR Light Source Chapter 2: Safety Chapter 2 Safety The lamp comes with a switching power supply compatible with voltages from 100 to 240 VAC. There is no need to change the fuse when selecting your regional voltage. If the user needs to change the fuse located below the AC plug on the back of the unit, see Fuse Replacement on page 13.
  • Page 5: Chapter 3 Product Overview

    At this temperature, the Globar generates light radiation mostly in the IR region. Figure 3.3 shows a typical output spectrum of the SLS303 measured from 1000 to 5600 nm, compared to an ideal back body radiation at 1200 K. The actual output of the SLS303 may extend to over 15 µm.
  • Page 6: Optical Configuration

    3.3. Optical Configuration The SLS303 is a silicon nitride Globar light source. The Globar is placed inside the housing. The output from the Globar is then collected and collimated again with an Aluminum Reflector and a ZnSe collimating lens. Figure 3.4 gives an outline of the optical configuration of the SLS303 Globar light source.
  • Page 7: Output Stabilization

    3.4. Output Stabilization Unlike traditional light sources, the SLS303 will not suffer from a gradual decrease nor short term fluctuation in brightness during its lifetime. The SLS303 silicon nitride light source is equipped with an internal feedback loop and therefore can ensure a constant intensity, low noise, and long life span.
  • Page 8: Chapter 4 Getting Started

    Power Cord Lamp Controller Figure 4.1 Packaging of SLS303 There are 6 major pieces of foam inserts in the packaging of SLS303 as shown in Figure 4.1. Remove them carefully and take out the lamp and controller. Page 6 CTN010315-D02...
  • Page 9: Operation Elements

    Stabilized Benchtop IR Light Source Chapter 4: Getting Started 4.3. Operation Elements 4.3.1. Lamp Housing Front and Back Panels Figure 4.2 Front and Back Panel of SLS303 Lamp Housing • L1. Shutter Control Knob • L2. Collimating Lens • L3. 4-40 Threaded Holes for 60 mm Cage Systems •...
  • Page 10: Controller Back Panel

    Take the lamp housing out of its packaging and place it onto a table top. All four feet are height adjustable to compensate for unevenness of the work surface. To adjust the height, use a 4 mm ball driver or hex key (one is included with the SLS303) to loosen and remove the cap.
  • Page 11 Stabilized Benchtop IR Light Source Chapter 4: Getting Started Use a 10 mm wrench (not included) to rotate the washer underneath the bottom plate. Press slightly on the plastic foot to make sure it does not rotate together with the washer. A counter clockwise rotation will increase the height. All feet are set to minimum height by default.
  • Page 12 Stabilized Benchtop IR Light Source Chapter 4: Getting Started Figure 4.8 Connecting the Lamp Control Cable Plug the power cable into the power socket and the unit is ready to use. WARNING Always ensure the unit is powered off before connecting or disconnecting the lamp cable. Failing to do so could damage the lamp.
  • Page 13: Chapter 5 Operation

    5.3. Stabilized Operation and Monitor Output The SLS303 has a stabilized operation feature that allows it to retain constant optical output throughout the life span of the Globar module. However, the output power is NOT user adjustable. The “Analog Out” port C7 on the pack panel of the controller provides a voltage output that is proportional to the lamp optical output power.
  • Page 14: Application Ideas

    As shown in Figure 4.2. There are four 4-40 threaded holes on the front panel of the lamp housing to allow for integration of Thorlabs' 60 mm cage system. Figure 5.2 shows a 60 mm cage systems with cage plate attached to the front of an SLS303 lamp housing. Figure 5.2 SLS303 with 60 mm Cage System 5.6.
  • Page 15: Chapter 6 Maintenance

    Stabilized Benchtop IR Light Source Chapter 6: Maintenance Chapter 6 Maintenance 6.1. Fuse Replacement The fuse is located in the fuse socket, C9, above the power inlet, as shown in Figure 4.4. Please use 3.15 A, 250 VAC, Type "T", slow blow fuse only. 6.2.
  • Page 16 Stabilized Benchtop IR Light Source Chapter 6: Maintenance Use the included 4 mm hex key or a ball driver to remove the four cap screws on the corners of the side plate, then remove the side plate. Figure 6.2 Remove the side plate. Use the included 2 mm hex key to loosen the top setscrew and remove the side screw locking the Globar.
  • Page 17 Stabilized Benchtop IR Light Source Chapter 6: Maintenance Flip the orange levers that lock the two yellow wires to their vertical position and pull out the two white cables from their sockets. Figure 6.4 Disconnect the two white wires. Then pull the Globar out. Figure 6.5 Remove the Globar.
  • Page 18: Chapter 7 Specifications

    Stabilized Benchtop IR Light Source Chapter 7: Specifications Chapter 7 Specifications Specification Value Wavelength Range 550 – 15 000 nm Color Temperature 1200 K Globar Module Power 70 W Output Optical Power 4.5 W Globar Lifespan 5000 hrs VIS Typical Output (400-700 nm) 100 mW IR Typical Output (>700 nm) 4.4 W...
  • Page 19: Chapter 8 Mechanical Drawings

    Stabilized Benchtop IR Light Source Chapter 8: Mechanical Drawings Chapter 8 Mechanical Drawings Figure 8.1 Lamp Housing Diagram Figure 8.2 Controller Diagram Page 17 Rev B, August 4, 2021...
  • Page 20: Chapter 9 Certifications And Compliances

    Stabilized Benchtop IR Light Source Chapter 9: Certifications and Compliances Chapter 9 Certifications and Compliances This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 21: Chapter 10 Regulatory

    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 22: Chapter 11 Thorlabs Worldwide Contacts

    Stabilized Benchtop IR Light Source Chapter 11: Thorlabs Worldwide Contacts Chapter 11 Thorlabs Worldwide Contacts For technical support or sales inquiries, please visit us at www.thorlabs.com/contact for our most up-to-date contact information. USA, Canada, and South America UK and Ireland Thorlabs, Inc.
  • Page 23 www.thorlabs.com...

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