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Pike FlexIR Hollow Waveguide Manual

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The information in this publication is provided for reference only. All
information contained in this publication is believed to be correct and
complete. PIKE Technologies, Inc. shall not be liable for errors contained herein
nor for incidental or consequential damages in connection with the furnishing,
performance, or use of this material. All product specifications, as well as the
information contained in this publication, are subject to change without notice.
This publication may contain or reference information and products protected
by copyrights or patents and does not convey any license under the patent
rights of PIKE Technologies, Inc. nor the rights of others. PIKE Technologies, Inc.
does not assume any liability arising out of any infringements of patents or
other rights of third parties.
This document contains confidential or proprietary information of PIKE
Technologies, Inc. Neither this document nor the information herein is to be
reproduced, distributed, used or disclosed, either in whole or in part, except as
specifically authorized by PIKE Technologies, Inc.
PIKE Technologies, Inc. makes no warranty of any kind with regard to this
material including, but not limited to, the implied warranties of merchantability
and fitness for a particular purpose.
Copyright 1991-2019 by PIKE Technologies, Inc., Madison, WI 53719. Printed in
the United States of America. All world rights reserved. No part of this
publication may be stored in a retrieval system, transmitted, or reproduced in
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other record, without the prior written permission of PIKE Technologies, Inc.
Address Comments to:
PIKE Technologies, Inc.
6125 Cottonwood Drive
Madison, WI 53719
Phone
(608) 274-2721
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(608) 274-0103
E-mail
info@piketech.com
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www.piketech.com
Jan. 1, 2012

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Summary of Contents for Pike FlexIR Hollow Waveguide

  • Page 1 This publication may contain or reference information and products protected by copyrights or patents and does not convey any license under the patent rights of PIKE Technologies, Inc. nor the rights of others. PIKE Technologies, Inc. does not assume any liability arising out of any infringements of patents or other rights of third parties.

  • Page 2: Table Of Contents

    Contents Introduction Unpacking Your FlexIR HWG Accessory Packing List Installing the FlexIR HWG with MCT Detector Accessory Setup MCT Liquid Nitrogen Filling and Stabilization Installing the HWG Probe Aligning the FlexIR Accessory Optimizing MCT Pre-Amp Gain Removing the FlexIR Accessory Storage ATR Probe Zinc Selenide...

  • Page 3: Introduction

    Introduction The FlexIR Hollow Waveguide Accessory is an excellent tool for remote and specific area analysis of a wide variety of samples. Visible surface contamination, small area material identification and bulky materials too large to fit into the FTIR sample compartment are a few of the many samples and application types for the FlexIR accessory.

  • Page 4: Unpacking Your Flexir Hwg Accessory

    In order for you to quickly verify receipt of your accessory, we have included a packing list. Please inspect the package carefully. Contact PIKE immediately if any discrepancies are found. WARNING: The hollow waveguide probes have a limited bend radius of 150 mm. A smaller radius bend will break the probe.

  • Page 5: Installing The Flexir Hwg With Mct Detector

    Installing the FlexIR HWG with MCT Detector Accessory Setup Turn off the power to the FTIR spectrometer. Connect the interface detector cable of the HWG accessory to the detector connector port of the spectrometer. Consult the FTIR manual for additional information regarding the detector connector port and the proper software settings to select an external detector.

  • Page 6: Aligning The Flexir Accessory

    Figure 2: Assembled FlexIR Accessory Aligning the FlexIR Accessory This accessory has been pre-aligned on the same make as your spectrometer. In most cases, little to no further alignment is necessary. To assess the need for additional alignment, check the energy when in the monitor mode of the spectrometer software.
  • Page 7 After adjusting the input mirror optimize the position of the output mirror, which redirects the returned beam into the detector. Adjust the two screws located on the top of the accessory (Figure 3). This mirror and the resulting focus on the detector is extremely sensitive to small movements of the positioning screws.

  • Page 8: Optimizing Mct Pre-Amp Gain

    Optimizing the MCT Pre-Amp Gain The MCT pre-amp gain has been adjusted at the PIKE manufacturing facility. It most likely will not require further adjustment. However, adjustments may be required especially if using different probe types which exhibit large relative energy differences reaching the detector. For example, the gain is set higher for a diffuse reflectance probe compared to an ATR probe.

  • Page 9: Atr Probe

    ATR Probe The ATR probe may be used to measure solids, liquids, and powders. Intimate contact between the sample and the ATR crystal is required to obtain a quality spectrum. To use, collect a background spectrum of a clean ATR crystal. Next, place the ATR tip on the sample and exert pressure to obtain good contact and collect the sample spectrum.

  • Page 10: Diffuse Reflectance Probe

    Diffuse Reflectance Probe The diffuse reflectance probe is suitable for solid samples with diffuse surfaces only. Do not submerge the diffuse reflectance probe in powders or liquids as the tip is without a protective window and damage to the probe will result. In collecting a background spectrum, insert the probe tip into provided reference cap.

  • Page 11: Example Applications

    Example Applications Analysis of Coatings on Intractable by Panels by Diffuse and Specular Reflectance Probes Spectra of coated metal samples collected with diffuse and specular reflectance FlexIR probes are illustrated on the following page. Figure 6 shows a spectrum of a coating on a smooth reflective surface (coating on the outside of a soda can), conducive to specular reflectance measurements.

  • Page 12: Precautions

    Use of ATR HWG Probe to Investigate Defects in Tape ATR is an ideal probe to investigate defects on adhesive tape. In this example a background was collected while the ATR probe was clean. The sample spectrum was then collected after adhering the tape sample to the ATR crystal.
  • Page 13 Regulatory Compliance RoHS 2.0: 2011/65/EU The crossed out wheeled bin is a clear reminder that the product must NOT be disposed with household waste. It is the responsibility of the buyer to discard the product in accordance with Federal, This label is located outside regional and local environmental the accessory, on the back regulations.

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