Lumiloop LSProbe 1.2 Application Note Download | Manualshive

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Application Note 4,

Reliable Operation of LSProbe 1.2

Laser-Powered Electric-Field Probes

LUMILOOP GmbH, [email protected]

November 23, 2020

Contents

1 Introduction

2

2 Fiber Failure Mechanism

3

3 Sacriﬁcial Cable Kits for LSProbe 1.2 Field Probe Systems

4

4 Fiber Connector Cleaning Instructions

6

5 Replacing Sacriﬁcial Cables

8

6 Fiber Handling Recommendations

9

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Summary of Contents for LSProbe 1.2

Page 1: ... Probes LUMILOOP GmbH support lumiloop de November 23 2020 Contents 1 Introduction 2 2 Fiber Failure Mechanism 3 3 Sacriﬁcial Cable Kits for LSProbe 1 2 Field Probe Systems 4 4 Fiber Connector Cleaning Instructions 6 5 Replacing Sacriﬁcial Cables 8 6 Fiber Handling Recommendations 9 ...

Page 2: ...ectors of Field Probe Computer Interface and extension cable They provide two deﬁned and convenient points for disconnecting the Field Probe from the Computer Interface using the E2000 con nectors of the sacriﬁcial cable kits Due to the integrated shutters burn in defects at the E2000 connectors are signiﬁcantly less frequent However in the case of a burn in defect at an E2000 connector the sacriﬁ...

Page 3: ...C ﬁber connector pair which carries the optical power for the ﬁeld probe suﬀered a burn in defect a Field Probe FC before after cleaning b Field Probe ST before after cleaning c Extension cable FC before after cleaning d Extension cable ST before after cleaning Figure 2 Example for contaminated FC power and ST data ﬁber connectors As suggested by the name burn in defects are caused by excessive he...

Page 4: ...tors are signiﬁcantly less prone to contamination and thus to burn in defects because of their integrated automatic shutters Consequently E2000 connectors may be plugged without cleaning consciously accepting that contamination will accumulate with each plugging cycle and lead to a burn in defect eventually Once a burn in defect has occurred the complete sacriﬁcial cable kit must be replaced in cl...

Page 5: ...al link should always be disconnected using E2000 connec tors Do not disconnect any FC ST connectors unless absolutely necessary When plugging FC ST connectors make sure to observe the cleaning instructions in Section 4 FC ST Coupler Field Probe Use E2000 Connectors Two Sacrificial Cable Kits incl E2000 Connectors and Coupler E2000 Fiber Coupler FC ST Fiber Coupler FC ST Fiber Coupler E2000 Fiber ...

Page 6: ...n inad vertently during ﬁber inspection Note that the focal plane for for E2000 and ST FC connectors diﬀer and must thus be adjusted 2 Clean the connector end face 3 Reinspect the connector end face go back to step two if there is any contamination 4 Connect the ﬁber connectors do not put the connector down Do not apply dust caps between cleaning and connecting LUMILOOP s cleaning kit shown in Fig...

Page 7: ...rm Step 3 Moisten one corner of the cleaning wipe us ing the ﬁber optic cleaning pen or IPA pipette Step 4 Press the ﬁber end face ﬂatly against the moist area of the wipe and slide it into the dry area of the wipe Step 5 Only for E2000 connectors remove the E2000 locking cap re clip the connector pair after cleaning both connectors Figure 8 FC ST E2000 ﬁber optic connector wet to dry cleaning met...

Page 8: ...or and connect it to the coupler d Repeat steps a through c for the ST connectors 4 Repeat step three for the second end of the sacriﬁcial cable kit 5 Consider ordering a new spare sacriﬁcial cable kit Fixing burned in FC ST connectors In case of a burn in defect at a ST or FC connector due to improper handling replacement is required There are three destinct cases In case of a burn in defect at a...

Page 9: ...g Avoid tensile strain on ﬁber optic cables Fiber optic cables shall not carry the weight of the connectors Always use two sacriﬁcial cable kits one between Computer Interface and extension cable and one between extension cable and Field Probe Always disconnect the optical ﬁber connection using the E2000 connectors of the sacriﬁcial cable kits Do not open any FC ST ﬁber connectors unless absolutel...

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