THORLABS MPH16-UC Manuel utilisateur

MPH16-UC

Motorized Pinhole Wheel, Uncoated

User Guide

Information in this document is subject to change without notice. The software described in

this document is furnished under a license agreement or nondisclosure agreement. The

software may be used or copied only in accordance with the terms of those agreements. No

part of this publication may be reproduced, stored in a retrieval system, or transmitted in any

form or any means electronic or mechanical, including photocopying and recording for any

purpose other than the purchaser's personal use without the written permission of Thorlabs,

Inc.

Thorlabs, Inc.

108 Powers Court

Sterling, Va 20166

703-651-1700

Table of Contents

Chapter 1 Warning Symbols and Definitions 1

Chapter 2 Safety 2

Chapter 3 Description 3

3.1. Features at a Glance 3

3.2. Front Panel Overview 4

3.3. Back Panel Overview 4

3.4. Working Principle of Motorized Pinhole Wheel 5

Chapter 4 Getting Started 6

4.1. Unpacking and Inspection 6

4.2. Setting up MPH16-UC 6

4.2.1. Minimum Computer Requirements 6

4.2.2. Preparation 6

Chapter 5 Software 9

5.1. MPH16 4.0 Software Installation 9

5.2. MPH16 GUI (Graphical User Interface) 18

5.2.1. Display Area 18

5.2.2. Menu 19

Chapter 6 Hardware Setup and Installation 20

6.1. GeneralSetup 20

6.2. Choosing the Pinhole Size 20

6.3. Installation 23

Chapter 7 Alignment 25

7.1. Laser Source Alignment 25

7.2. MPH16-UC Fine Manual Alignment 26

7.2.1. Lens Alignment 28

Motorized Pinhole Wheel, Uncoated

Chapter 8 Maintaining the MPH16-UC 29

8.1. Cleaning 29

8.2. Troubleshooting 29

Chapter 9 Specifications 30

9.1. General Specifications 30

9.2. Pinhole Wheel Specifications 30

9.3. Pinhole Wheel Specifications 31

9.4. Achromatic Doublet Specifications 32

Chapter 10 Mechanical Drawing 33

Chapter 11 Certifications and Compliance 35

Chapter 12 Regulatory 36

Chapter 13 Thorlabs Worldwide Contacts 37

Motorized Pinhole Wheel, Uncoated

Rev B, February 21, 2021 Page 1

Motorized Pinhole Wheel, Uncoated Chapter 1: Warning Symbols and Definitions

Chapter 1 Warning Symbols and 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

Equipotentiality

On (Supply)

Off (Supply)

In Position of a Bi-Stable Push Control

Out Position of a Bi-Stable Push Control

Caution: Risk of Electric Shock

Caution: Hot Surface

Caution: Risk of Danger

Caution: Laser Radiation

Caution: Spinning Blades May Cause Harm

Chapter 2 Safety

All statements regarding safety of operation and technical data in this user

guide will only apply when the unit is operated correctly. Please read the fol-

lowing warnings and cautions carefully before operating the device.

WARNING

DONOTuse the device for anything other than its intended use.

WARNING

DONOTtake the unit apart. The pinhole wheel blade is fragile and may

break during handling.

WARNING

DONOT expose the pinhole to excessive laser power. This may damage

the product. See Specifications Chapter for maximum input power.

WARNING

DONOTswitch on the laser when mounting the motorized pinhole wheel

onto the laser source. This may cause injury due to laser radiation. Make

sure the laser source is off.

WARNING

The motorized pinhole wheel is not assessed according to IEC61508:

Functional Safety, and should not be used as a safety component.

WARNING

In case of software failure, turn off the laser source.

WARNING

DONOToperate in wet or damp conditions.

Page 2 TTN202954-D02

Motorized Pinhole Wheel, Uncoated Chapter 2: Safety

Rev B, February 21, 2021 Page 3

Motorized Pinhole Wheel, Uncoated Chapter 3: Description

Chapter 3 Description

The MPH16-UC is an optically encoded, high-precision motorized pinhole

wheel. It enables automated and repeatable positioning of pinholes for applic-

ations such as confocal laser scanning microscopy or scanning oph-

thalmoscopy. Additionally, the MPH16-UC has a chrome-plated glass disk that

is manufactured using standard photolithography techniques. This disk consists

of 16 pinholes ranging from Ø25 µm to Ø2 mm.

The MPH16-UC connects to a computer through a USB port. A DLL or GUI soft-

ware controls the pinhole wheel. An optically encoded motor provides repeat-

able selection between pinholes with a resolution of 10 µm, without the need for

realignment. Radial positioning of the pinhole is accomplished by adjusting the

focusing lens with a fine adjustment screw. The detection end has an SMAfiber

connector for efficient collection of the spatially filtered light. While our standard

MPH16-UC ships with an SMAfiber connector, other connectors are available

upon request; please contact imagingsales@thorlabs.com for details.

Note: The position of each pinhole (0-15), reported by the DLL of GUI, directly

corresponds to the pinhole diameters (Ø25 µm - Ø2 mm), from smallest to

largest (refer to the SDK manual for details).

3.1. Features at a Glance

● Ease of Use

♦Quick and Repeatable Pinhole Positioning

♦Plug and Play Software User Interface

● Stability

♦Stable Construction Results in Minimal or No Realignment

after the Initial Setup

♦16 Pinholes (Ø25 µm – Ø2 mm) on a Single Wheel

♦Compatible with Thorlabs' Cage Systems

● Precision

♦High Precision Optically Encoded Motor

♦Dovetail Construction for Precise Fit with Thorlabs Confocal

Laser Scanning Imaging Systems

♦Detachable SMAFiber Connector

♦Circular Pinhole with Precise Diameter

3.2. Front Panel Overview

Figure 3–1 MPH16-UC Module Front View

3.3. Back Panel Overview

Figure 3–2 MPH16-UC Module Rear View

Page 4 TTN202954-D02

Motorized Pinhole Wheel, Uncoated Chapter 3: Description

Rev B, February 21, 2021 Page 5

Motorized Pinhole Wheel, Uncoated Chapter 3: Description

3.4. Working Principle of Motorized Pinhole Wheel

Figure 3–3 Cutaway Showing Beam Path

Chapter 4 Getting Started

4.1. Unpacking and Inspection

Open the package, and carefully remove the MPH16-UC and its accessories.

The table lists the standard accessories shipped with the device.

Name Quantity

Motorized Pinhole Wheel 1

USB Cable 1

Power Supply 1

Hex L-Key 1.5 mm 1

Socket Head Cap Screw (to Mount Cage Rods) 4

Dovetail Adapter for 30 mm Cage System Compatibility 1

User Guide 1

Inspect the device and its accessories for any missing parts or damage.

If there is any problem, please contact Thorlabs at Phone: 973-300-3000 or

Email: techsupport@thorlabs.com immediately. Please have the serial num-

ber (printed on the side of the unit) available while calling the technical support

team.

4.2. Setting up MPH16-UC

4.2.1. Minimum Computer Requirements

Operating System 64-bit, Windows 7 or 10 (Not Compatible with 32 bit)

Driver Silicon Labs CP210x USB to UART Bridge

Other Software Visual C++ Redistributable Package (2012),

Microsoft .NET 4.5.2 or Later

4.2.2. Preparation

1. Install the MPH16 software on your computer as described in the

Software Chapter on page 9.

2. Mount the MPH16-UC unit on a breadboard or optical table.

3. Remove the protective film from the unit.

4. Connect the MPH16-UC to the computer via USB.

Page 6 TTN202954-D02

Motorized Pinhole Wheel, Uncoated Chapter 4: Getting Started

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