Laser light of a specific frequency falls on a crystal that converts this light into one with double the original frequency. Suppose the original laser light was red. In which region of
![LEDMALL Motion Snow Fall Full Spectrum Star Effects 7-Color White Laser Christmas Lights LM-LL-WMR-0002 - The Home Depot LEDMALL Motion Snow Fall Full Spectrum Star Effects 7-Color White Laser Christmas Lights LM-LL-WMR-0002 - The Home Depot](https://images.thdstatic.com/productImages/7d1d8ffe-cd21-4cdf-8890-9e844b246d58/svn/ledmall-christmas-light-projectors-lm-ll-wmr-0002-64_600.jpg)
LEDMALL Motion Snow Fall Full Spectrum Star Effects 7-Color White Laser Christmas Lights LM-LL-WMR-0002 - The Home Depot
![Spectrum Laser Lights - High Definition Laser Christmas Lights | Laser christmas lights, Laser lights, Christmas light projector Spectrum Laser Lights - High Definition Laser Christmas Lights | Laser christmas lights, Laser lights, Christmas light projector](https://i.pinimg.com/originals/e5/64/1f/e5641fc8476a422b363a899d43e53a77.jpg)
Spectrum Laser Lights - High Definition Laser Christmas Lights | Laser christmas lights, Laser lights, Christmas light projector
![SL-47 White Laser Light - Full 7 Color Spectrum with Bluetooth Speaker - 2nd GEN v2 | Spectrum Laser Lights SL-47 White Laser Light - Full 7 Color Spectrum with Bluetooth Speaker - 2nd GEN v2 | Spectrum Laser Lights](https://cdn.shopify.com/s/files/1/1577/8631/products/SL-47MainImageGOOGLE_800x.png?v=1607107760)
SL-47 White Laser Light - Full 7 Color Spectrum with Bluetooth Speaker - 2nd GEN v2 | Spectrum Laser Lights
![SL-41 - 3D The Enchanter 48 Pattern Laser Christmas Light with Bluetooth Speaker - 2nd GEN v2 | Spectrum Laser Lights SL-41 - 3D The Enchanter 48 Pattern Laser Christmas Light with Bluetooth Speaker - 2nd GEN v2 | Spectrum Laser Lights](https://cdn.shopify.com/s/files/1/1577/8631/products/SL-41_Fixture_Transparent_800x.jpg?v=1569100446)
SL-41 - 3D The Enchanter 48 Pattern Laser Christmas Light with Bluetooth Speaker - 2nd GEN v2 | Spectrum Laser Lights
![LEDMALL 7 Color Lights- Full Spectrum Motion Star Effects 7 Color WHITE Laser Christmas Lights LM-LL-WRMR-0001 - The Home Depot LEDMALL 7 Color Lights- Full Spectrum Motion Star Effects 7 Color WHITE Laser Christmas Lights LM-LL-WRMR-0001 - The Home Depot](https://images.thdstatic.com/productImages/2df02d95-253c-49e9-bb2f-3022858446ed/svn/ledmall-christmas-light-projectors-lm-ll-wrmr-0001-c3_600.jpg)
LEDMALL 7 Color Lights- Full Spectrum Motion Star Effects 7 Color WHITE Laser Christmas Lights LM-LL-WRMR-0001 - The Home Depot
![Amazon.com: LEDMALL Motion Snow Fall Full Spectrum Star Effects 7 Color White Laser Christmas Lights, and Decorative Lights with Remote Control : Tools & Home Improvement Amazon.com: LEDMALL Motion Snow Fall Full Spectrum Star Effects 7 Color White Laser Christmas Lights, and Decorative Lights with Remote Control : Tools & Home Improvement](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71h5POH1a9L._AC_UF894,1000_QL80_.jpg)