Table of Contents:
Introduction
Filter wheel and aperture wheel are the same device.
Relevant Devices
Descriptions | Qty | Source | Part Number | Notes |
|---|---|---|---|---|
Filter Wheel | 2 | Thorlabs | FW102C | RS-232 connectivity |
RS-232 to Ethernet Adapter | 1 | Lantronix | UDS2100 | This is the version with two serial ports (and standard 9-pin RS-232 connectors) |
Smaller Footprint Power Supply for Lantronix | 1 | Tri-Mag, LLC | Tri-Mag PN: L6R12H-120 DigiKey PN: 364-1264-ND | The stock Lantronix power supplies do not work well with the PDUs (as they block two extra outlets). KPF uses these replacement supplies since they only take up one PDU outlet. |
Broadband Source | 1 | Thorlabs | SLS201L |
Relevant Functional Block Diagrams
Cable Details
Aperture Wheel System
Cable | Qty | Details | Notes |
|---|---|---|---|
Ethernet | 1 | Cat6 Copper Ethernet Cable M-M, 6 feet long | Entirely within Cal Rack. |
Shutter System
Cable | Qty | Details | Notes |
|---|---|---|---|
Ethernet | 1 | Cat6 Copper Ethernet Cable M-M, 6 feet long | Entirely within Cal Rack. |
Light Path - External Fibers
Cable | Qty | Details | Notes |
|---|---|---|---|
Input Fiber | 1 | Thorlabs Custom Patch Cable | |
Output Fiber | 1 | Thorlabs Custom Patch Cable | |
Vacuum Fiber | 1 | A 5m-long custom version of the standard 1m Thorlabs MV64L1. | Not shown on the diagram but included for reference |
Pictures of Devices
Look-up Table for Filter Wheel Aperture Positions
Position | Short Name | Part Number | Description |
|---|---|---|---|
1 | Blank Port | Thorlabs SM1PL | Externally SM1-Threaded Plug |
2 | 6 mm aperture (f/5) | KPF-FFF-MEC-205 | 6 mm diameter aperture feeds fiber at f/5 |
3 | 7.5 mm aperture (f/4) | KPF-FFF-MEC-204 | 7.5 mm diameter aperture feeds fiber at f/4 |
4 | 10 mm aperture (f/3) | KPF-FFF-MEC-203 | 10 mm diameter aperture feeds fiber at f/3 |
5 | 13.2 mm aperture (0.22 NA) | KPF-FFF-MEC-202 | 13.2 mm diameter aperture feeding fiber at f/2.3 (sized to match NA of flat field fiber within vacuum chamber) |
6 | Open Port (f/1.4) | - | No aperture disk (aperture set by 22.9 mm diameter of open filter wheel port) |
Relevant Datasheets & Manuals
Description | File | Source | |
|---|---|---|---|
| 1 | Device Manual | https://www.thorlabs.us/newgrouppage9.cfm?objectgroup_id=988&pn=FW102C#2926 | |
| 2 | Software Manual | https://www.thorlabs.us/newgrouppage9.cfm?objectgroup_id=988&pn=FW102C#2926 | |
| 3 | SDK | https://www.thorlabs.us/software_pages/viewsoftwarepage.cfm?code=FW102C | |
| 4 | Lantronix UDS 2100 Quick Start Guide | https://www.lantronix.com/products/uds2100/#tab-docs-downloads | |
| 5 | Lantronix UDS 2100 User Guide | ||
| 6 | Smaller Footprint Power Supply Datasheet | https://www.tri-mag.com/wp-content/uploads/2021/05/L6R12H_Series_2021-01.pdf (Linked off the DigiKey product page) |
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