![Smartphone based optical spectrometer for diffusive reflectance spectroscopic measurement of hemoglobin | Scientific Reports Smartphone based optical spectrometer for diffusive reflectance spectroscopic measurement of hemoglobin | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-017-12482-5/MediaObjects/41598_2017_12482_Fig1_HTML.jpg)
Smartphone based optical spectrometer for diffusive reflectance spectroscopic measurement of hemoglobin | Scientific Reports
![Indigo: An affordable, modular spectrometer connected to a smartphone - Turn your Smartphone into a Spectrometer Indigo: An affordable, modular spectrometer connected to a smartphone - Turn your Smartphone into a Spectrometer](http://gospectro.eu/wp-content/uploads/2020/04/GoWi.136.jpg)
Indigo: An affordable, modular spectrometer connected to a smartphone - Turn your Smartphone into a Spectrometer
![A handheld smartphone-controlled spectrophotometer based on hue to wavelength conversion for molecular absorption and emission measurements - ScienceDirect A handheld smartphone-controlled spectrophotometer based on hue to wavelength conversion for molecular absorption and emission measurements - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0925400516311911-fx1.jpg)
A handheld smartphone-controlled spectrophotometer based on hue to wavelength conversion for molecular absorption and emission measurements - ScienceDirect
![A novel smartphone-based CD-spectrometer for high sensitive and cost-effective colorimetric detection of ascorbic acid - ScienceDirect A novel smartphone-based CD-spectrometer for high sensitive and cost-effective colorimetric detection of ascorbic acid - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0003267019311729-fx1.jpg)
A novel smartphone-based CD-spectrometer for high sensitive and cost-effective colorimetric detection of ascorbic acid - ScienceDirect
![Fabricated smartphone spectrometer and its compartments (a); rear view... | Download Scientific Diagram Fabricated smartphone spectrometer and its compartments (a); rear view... | Download Scientific Diagram](https://www.researchgate.net/publication/336674078/figure/fig2/AS:820400338526209@1572610091274/Fabricated-smartphone-spectrometer-and-its-compartments-a-rear-view-b-front-view.png)