lightsource-leds/README.md


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# Lightsource LEDS

The WPR light source is built around 3 high-power, monochromatic LEDs mounted onto an industry-standard 20 mm LED star package. 

WPR-comptabile LED stars emitting narrow wavelength ranges across the UV-Visible spectrum are  available from multiple vendors. A few are detailed below.

CPR-comptabible custom LED stars mounted with 3.5 mm surface mount LEDs of any wavelength can be fabricated using a reflow oven. 

## List of compatible commerical LED stars

| color          | max emission | manufacturer | manufacturer part number  | LEDsupply LED star part number | LEDsupply price | Other vendors |
| :------------- | :----------- | :----------- | :------------------------ | :----------------------------- | :-------------- |:------------- |
| UVA            | 365 nm       | Inolux       | IN-C39CTOU2 	     	   | N/A (mounted by user)	        | N/A             | [DigiKey](https://www.digikey.com/en/products/detail/inolux/IN-C39CTOU2/9681227) [Mouser](https://www.mouser.com/ProductDetail/Inolux/IN-C39CTOU2/?qs=qSfuJ%252Bfl%2Fd4759YPTEyoag%3D%3D) |
| Violet         | 400 nm       | Inolux       | IN-C39CTOU5		       | N/A (mounted by user)          | N/A             | [DigiKey](https://www.digikey.com/en/products/detail/inolux/IN-C39CTOU5/9681233) [Mouser](https://www.mouser.com/ProductDetail/Inolux/IN-C39CTOU5/?qs=qSfuJ%252Bfl%2Fd6BLbca08ZG2g%3D%3D) |
| Blue           | 450 nm       | Cree, Inc.   | XTEARY-00-0000-000000N09  | CREEXTE-ROY-3	                | $10.10          | [DigiKey](https://www.digikey.com/en/products/detail/cree-inc/XTEARY-00-0000-000000N09/3744336) [Mouser](https://www.mouser.com/ProductDetail/Cree-Inc/XTEARY-00-0000-000000N09?qs=ygRr%2Ftkhtevu4HqMzfGc3w%3D%3D) |
| Cyan           | 495 nm       | Luxeon       | LXML-PE01-0080	    	   | 07007-PE000-K	                | $12.60          | [DigiKey](https://www.digikey.com/en/products/detail/lumileds/LXML-PE01-0080/3961255) [Mouser](https://www.mouser.com/ProductDetail/Lumileds/LXML-PE01-0080/?qs=7Vwje68bFtO%2F0g2M%252BAMdYQ%3D%3D) |
| Green          | 530 nm       | Cree, Inc.   | XPEBGR-L1-0000-00D01      | CREEXPE2-GRN-3		            | $10.50          | [DigiKey](https://www.digikey.com/en/products/detail/cree-inc/XPEBGR-L1-0000-00D01/4177200) [Mouser](https://www.mouser.com/ProductDetail/Cree-Inc/XPEBGR-L1-0000-00D01/?qs=rHlcMk0NooK%2FtCgm9PQ0pQ%3D%3D) |
| Amber          | 590 nm       | Luxeon       | LXML-PL01-0060		       | 07007-PL000-F	                | $12.60          | [DigiKey](https://www.digikey.com/en/products/detail/lumileds/LXML-PL01-0050/3961256) [Mouser](https://www.mouser.com/ProductDetail/Lumileds/LXML-PL01-0060?qs=7Vwje68bFtP0H6dN9OA%2FuA%3D%3D) |
| Orange         | 620 nm       | Cree, Inc.   | XPEBRO-L1-0000-00901	   | CREEXPE2-RDO-3                 | $10.50          | [DigiKey](https://www.digikey.com/en/products/detail/cree-inc/XPEBRO-L1-0000-00901/4177164) [Mouser](https://www.mouser.com/ProductDetail/Cree-Inc/XPEBRO-L1-0000-00901?qs=rHlcMk0NooLQklUEc3IqMg%3D%3D) |
| Red            | 660 nm       | Cree, Inc.   | XPEPHR-L1-0000-00801	   | CREEXPE-DRD-3                  | $10.50          | [DigiKey](https://www.digikey.com/en/products/detail/cree-inc/XPEPHR-L1-0000-00801/4895013) [Mouser](https://www.mouser.com/ProductDetail/Cree-Inc/XPEPHR-L1-0000-00801/?qs=3izLlwrMQ7lAtbsWL38zog%3D%3D) |
| NIR            | 730 nm       | Cree, Inc.   | XPEFAR-L1-0000-00601	   | CREEXPE-FRD-3	                | $12.00          | [DigiKey](https://www.digikey.com/en/products/detail/cree-inc/XPEFAR-L1-0000-00601/5303643) [Mouser](https://www.mouser.com/ProductDetail/Cree-Inc/XPEFAR-L1-0000-00601?qs=k72kBymvut%252B0JKg4b6%252BzNg%3D%3D) |

All prices are in USD.
In general, prices are overestimates, thereby providing an upper-estimate on cost.

## Commerical LED emission spectra

LED emission spectra were measured using an [Ocean Insight USB2000 Spectrometer](https://www.oceaninsight.com/products/spectrometers/general-purpose-spectrometer/flame-series/flame-vis-nir/) loaned by the [Goldsmith Group](https://goldsmith.chem.wisc.edu).

![UVA](./UVA - 365 nm - IN-C39CTOU2.png "UVA Led emission spectra")

![Violet](./Violet - 395 nm - IN-C39CTOU5.png "Violet Led emission spectra")

![Blue](./Blue - 450 nm - XTEARY-00-0000-000000N09.png "Blue Led emission spectra")

![Cyan](./Cyan - 495 nm - LXML-PE01-0080.png "Cyan Led emission spectra")

![Green](./Green - 530 nm - XPEBGR-L1-0000-00D01.png "Green Led emission spectra")

![Amber](./Amber - 595 nm - LXML-PL01-0060.png "Green Led emission spectra")

![Orange](./Orange  - 620 nm - XPEBRO-L1-0000-00901.png "Orange Led emission spectra")

![Red](./ Red - 660 nm - XPEPHR-L1-0000-00801.png "Red Led emission spectra")

![NIR](./ NIR - 730 nm - XPEFAR-L1-0000-00601.png "NiR Led emission spectra")

## Ordering Blank LED stars

The WPR lightsource is built to fit an industry-standard, 20 mm [Indus Star A008 high power LED modules](https://leddynamics.com/indus-star-a007-a008).

To order blank Indus Star A008 LED stars for custom LED star creation, contact [LEDsupply](https://www.ledsupply.com/contact-us), [LEDdynamics](https://leddynamics.com/contact-us) or other vendors.

Different 20 mm 3-up LED stars in industry standard packages could be incorporated into the WPR, but have not been tested.