https://holography.byu.edu/dokuwiki/ 2026-07-19T22:22:20-06:00 https://holography.byu.edu/dokuwiki/ https://holography.byu.edu/dokuwiki/lib/tpl/dokuwiki/images/favicon.ico text/html 2016-08-01T15:24:27-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:arduino_shield_cca&rev=1470086667&do=diff Arduino Shield (reference only) This board has been replaced by the Scanner Shield CCA. 31 Oct 2014 version Download [Download Arduino DAC Shield CCA Eagle & Gerber Files (31 Oct 2014 release)] (current as of 29 Jul 2015) ---------- Purpose ---------- Design ---------- Testing To measure the potentiometer values, disconnect the power from the arduino shield. With a multi-meter's ground attached to the surface ground, probe TP1 and TP2. You must unplug all the cables from the arduin… text/html 2017-02-15T21:59:17-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:board_status&rev=1487221157&do=diff Back to mixer-amplifier_cca_27jan2015. Overview This page is dedicated to providing a quick glimpse at the status and progress of each board. The most recent changes to the boards should be posted here. Updates should be posted within the section of the applicable board and include detailed remarks regarding debugging/testing and include the name(s) of the tester(s) and the date the work was performed. text/html 2015-07-07T00:04:57-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:chasis&rev=1436249097&do=diff Current Design Assembly Power Supply middle_section scanner fan_insert optical_sled text/html 2017-05-24T20:49:12-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:custom_polygon_mirror&rev=1495680552&do=diff Custom Polygon Mirror Background One of the objectives of the HoloMonitor is to be cheap. To this end, consumer hardware is repurposed as much as possible to lower costs. The horizontally-scanning optical element of the Mark V (as of Tue 23 May 2017) is a polygon mirror from laser printers:$70-90, and a 4-insert mill head costs $ text/html 2017-09-02T20:17:41-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:custom_resolutions&rev=1504405061&do=diff Custom Resolutions Introduction To drive the high-bandwidth AOMs (which could have a bandwidth anywhere between 80MHz and 3GHz), we use graphics cards as signal generators and desktop windows as the sample array for the signal generators. To generate a large output bandwidth, it is necessary to have a high sampling frequency, which is accomplished by setting the graphics card clock to an above-average rate, and a large sample size, which is accomplished by creating a larger-than-average deskto… text/html 2018-03-17T23:28:14-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:drew&rev=1521350894&do=diff Drew Henrie Email: dhenrie0208@gmail.com Phone: 801-888-3403 Education: BS Computer Engineering 2015 MS Computer Engineering 2018 Research Assistant, ElectroHolography Group, Fall 2013 Lead Monitor Engineer, Electronics, PCB design (Eagle), (Low-Level) Programming, Debugging, Basic Machining text/html 2018-09-11T10:11:30-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:drew_deliverables&rev=1536682290&do=diff Drew's Deliverables model it after this ---------- Showcase AOM Characterizer Rotational Stage ScannerShield Autolocking (Tue 7 Nov 2017) Near Eye Smooth Focus, 2 Channel, Cyl. Lens (Mon 23 Oct 2017) Manually tracking the camera focus to match the moving computer focus NED output: text/html 2018-02-24T17:03:01-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:drew_log&rev=1519516981&do=diff Drew's Log 2015-2016 scroll down 👇 ---------- Fri 2 Dec 2016 Worked with Manusha on getting GSYNC to work; see the Near Eye Display page for this. ---------- Thu 1 Dec 2016 - Modularized MixAmp Revision Over the past several days, I have created / revised the following boards for the next instantiation of the Mixer-Amplifier circuit. These are all modularized sections of the Mixer-Amplifier board. They are made to be either stand-alone with SMA connectors on the end or soldered together… text/html 2018-04-12T17:05:20-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:drew_log_2017w&rev=1523574320&do=diff Scroll down 👇 ---------- Tue 23 Jan 2018 Assembled the Near Eye Display 3:12 AOM Breakout Multiplexer: ---------- Thu 18 Jan 2018 Dump of Switched AOM Breakout Board notes here. ---------- Wed 17 Jan 2018 - Switched AOM Breakout Board Switched AOM Breakout board design finished and sent to OshPark:$5/in * 2 sets of 3); board fab time was expedited (an extra $ text/html 2015-07-07T00:22:44-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:fan_insert&rev=1436250164&do=diff Fan Insert Flat Pattern Design Specs Base Tab Fan Cutout Upper Slot Position Lower Slot Positions text/html 2017-06-26T15:33:19-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:git_guide&rev=1498512799&do=diff Git Usage ---------- Basics Some terms that you'll need to understand in context (several of these are commands for the git CLI tool): * Git: A popular Version Control System * Repository: A storage location for a single project * Push: Update the remote repository with text/html 2016-08-09T15:41:01-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:graphics_cards&rev=1470778861&do=diff Graphics Cards HoloMonitor Needs The Acousto-Optic Modulators (AOMs) are analog devices that need specific radio-frequency signals to produce usable images. Graphics cards are a relatively cheap, widely available consumer product that enables us to generate specific RF patterns by manipulating the pixels of the desktop assigned to a graphics card output. As well, graphics cards have hundreds of parallel processors that can be used to execute per-pixel code several times per second for the enti… text/html 2015-07-07T01:57:08-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:instruction_manual&rev=1436255828&do=diff To Do: Introduction and list of components w/ parts The Chassis The first step in creating a holovideo monitor is to make the chassis. The chassis is a protective case, made out of a folded sheet of metal, that will hold all of the components that it takes to make the monitor. text/html 2018-10-19T12:23:09-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:jesse&rev=1539973389&do=diff Jesse Codling Email: jcdiver1@et.byu.edu Phone: 908-910-2293 Senior BS Electrical Engineering, 2019 Mathematics Minor Monitor Engineer, Research Assistant ElectroHolography Research Group ---------- Deliverables Old Logs (2016) Old Logs (2017) Research Log ---------- Skills * Cleanroom: Diesaw, RIE, Heidelberg, Aluminum Etch text/html 2018-03-06T15:46:07-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:mark_v_chassis&rev=1520376367&do=diff Mark V Chassis ---------- Overview The current Monitor chassis consists of 8 vertical plates cut from 1/8 in. acrylic, 3 base plates cut from 1/4 in. acrylic, an optics layer also cut from 1/8 in. acrylic, and assorted 3D printed mounting parts (optics mounts, the Galvo/Polygon holder, the text/html 2018-05-03T12:58:50-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:mark_v_parts_assembly&rev=1525373930&do=diff Mark V Parts List & Assembly Steps Google Drive with pictures of first build Production Schedule Task Anticipated Duration Tentative Due Date 4 hours 2 hours (+ wait for EE shop) 2 hour 3 hours 8 hours 3 hours 3 hours 3 hours 3 hours $16 each; DigiKey's VCOs start around $ text/html 2018-12-28T16:06:45-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:merit_badge&rev=1546038405&do=diff Monitor Merit Badge On this page I will list resources for creating a merit badge box as well as instructions for completing the merit badge. ---------- Chassis Assembly The size of the nuts and screws for assembling the chassis are described here, though the exact quantities may be wrong. You must use the square nuts for the base of the optics deck (middle layer). The rest can be hex nuts. You may optionally use square nuts for the base of the monitor. To know which side pieces to use, re… text/html 2015-07-07T00:04:57-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:middle_section&rev=1436249097&do=diff Middle Section Flat Pattern Folded Pattern Design Specs Base Left Tabs Upright Walls Circuitry Platform Platform slit up-close PCB Footprint text/html 2017-02-17T12:30:21-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:mixer-amplifier_cca_27jan2015&rev=1487359821&do=diff Mixer-Amplifier CCA 27 Jan 2015 version Download [Download Mixer-Amplifier CCA Eagle & Gerber Files (27 Jan 2015 release)] (current as of 29 Jul 2015) ---------- Revision To-Do List Thu 11 Feb 2016: Remove 75-ohm resistors for graphics card load detection. DC decoupling: ~20pF capacitors Make one PCB from breakout boards$1.95? | min 8"x8" panel ($$1.66*\rightarrow | no min qty, 3 copies at $$1.65 | "min order $ text/html 2017-07-07T18:42:16-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:mixer-amplifier_segments&rev=1499474536&do=diff Mixer-Amplifier Segments Overview The Mixer-Amplifier Board takes RF signals from a computer graphics card and upconverts, filters, and amplifies it to the frequency and power range needed by the AOM. For example, A computer typically outputs signals between 0 to 200 $25 +/- $ text/html 2017-05-01T14:51:36-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:monitor&rev=1493671896&do=diff Holovideo Monitor Iteration “Mark V” Please write questions about the HoloMonitor or documentation here: Questions About the HoloMonitor. ---------- Mark V Overview [ a link to a page with a general discussion of diffraction, holography, AOMs, holographic video and what has been done before, why this system is nice, etc text/html 2015-07-07T00:22:44-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:optical_sled&rev=1436250164&do=diff Optical Sled Optics Board Holes are on a 1×1 inch grid Base text/html 2015-07-09T17:43:57-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:page_rework&rev=1436485437&do=diff board_status Overview This page is dedicated to providing a quick glimpse at the status and progress of each board. Updates Instructions: The most recent changes to the boards should be posted here, as well as being added to the overall status of the boards in the boards section with its respective board. Updates should include: who is writing the update, a summary of what has happened, and which boards the update is applicable to. text/html 2018-06-25T10:26:58-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:parker_deliverables&rev=1529944018&do=diff Parker's Deliverables ---------- Aligning the Blue Laser I decided to try to align the blue laser to a device, but problems arose when smoke appeared. Here's a paper I burned some marks onto. In other news, I did successfully align the device, and here is a text/html 2018-05-03T12:53:29-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:parker_log2017s&rev=1525373609&do=diff 2017 Research Log August 10, 2017 I have been working on a new “easyAlign” cartridge. After we finished the paper, we began to work on getting an operational full-color monitor. I spent a good amount of time working on aligning a new red cartridge that will have a brighter output than the old using the mirror cartridge to have the long focal length. In the process, I discovered some important things. First, it was a big pain. Next, it's best to start gluing things down from the laser forward. … text/html 2018-05-03T12:53:59-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:parker_log2018s&rev=1525373639&do=diff 2018 Log ---------- May 3, 2018 I ordered the lasers, drivers, and lenses I will need to build cartridges and finish the monitor. I have made good progress on the Monitor Merit Badge Page. ---------- May 1, 2018 I have been putting together a monitor merit badge box to help new members build their own monitor and feel ownership of it. I made a list of what should be in the box text/html 2015-08-31T17:16:13-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:parts_list&rev=1441062973&do=diff Optics/Chassis/Misc * LA1708 200mm focal length plano-convex lens <http://www.thorlabs.us/newgrouppage9.cfm?objectgroup_id=112> * Anodization (takes about 10 days) <http://www.industrial-plating.com/> * NVIDIA Quadro FX5800 Graphics Cards <http://www.serversupply.com/products/part_search/pid_lookup.asp?pid=116334> Boards * PCB Fab (smaller pcbs in smaller quantities) <http://www.circuitboard.com/store/product/pcb-panel-share> * PCB - cheaper price - $33 per board - student price. l… text/html 2015-07-07T00:04:57-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:power_supply&rev=1436249097&do=diff Power Supply Flat Pattern Folded Piece Design Specs Base L/R wall Top/Bottom Wall Small tab Top/Bot platform Far-Right platform Far-Left platform text/html 2015-07-07T00:04:57-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:scanner&rev=1436249097&do=diff Scanner Flat Pattern Folded Pattern Design Specs Base Fold text/html 2017-08-28T15:46:38-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:scanner_shield_cca&rev=1503956798&do=diff Scanner Shield CCA & DVI Breakout Scanner Shield CCA Revision: 1 Aug 2016 DVI Breakout Revision: 29 Jul 2016 [PDF of current schematic] Annotated original schematic ---------- Download [Download Scanner Shield CCA Eagle & Gerber Files (1 Aug 2016 release)] ---------- Purpose The Scanner Shield is the combination of the Synchronization & Galvo boards. It is meant to simplify interconnections between these boards (by being on the same board) and simplify power connections … text/html 2017-03-10T12:27:04-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:software_overview&rev=1489174024&do=diff Software Overview This wiki page includes summaries and important notes of each of these projects; full documentation is in the .README of each project. Guide on how to use Git BYU Holography GitLab Group Arduino Firmware EDID Programmer FIXME link to GitLab project FIXME Hardware Revision: Scanner Shield only? compatible with old Galvo Shield? text/html 2016-08-01T15:23:48-06:00 https://holography.byu.edu/dokuwiki/doku.php?id=monitor:synchronization_cca&rev=1470086628&do=diff Synchronization CCA (reference only) This board has been replaced by the Scanner Shield CCA. Download [Download Synchronization CCA Eagle & Gerber Files (10 Mar 2015 release)] (current as of 29 Jul 2015) ---------- Purpose The Synchronization CCA is meant to keep the polygon mirror speed at an exact lowered-ratio with the H-Sync pulses coming from the graphics card/MixAmp CCA.