--- title: View of Field | optiblox description: optiblox | QUEL Imaging's observations of challenges with in vivo fluorescence imaging. How can phantoms and reference targets be used to advance the field? --- [Skip to content](https://blog.quelimaging.com/tag/optiblox#main-content) [![QUEL\_web\_logo-1](https://blog.quelimaging.com/hs-fs/hubfs/QUEL_web_logo-1.png?width=200&height=75&name=QUEL_web_logo-1.png)](https://www.QUELimaging.com) - [Home](https://blog.quelimaging.com) - [Products](https://shop.QUELimaging.com) - [Blog](https://blog.quelimaging.com) - [News](https://www.QUELimaging.com/news) - [About](https://www.quelimaging.com/about) - [Resources](https://shop.QUELimaging.com/Resources) Open main navigation Close main navigation - [Home](https://blog.quelimaging.com) - [Products](https://shop.QUELimaging.com) - [Blog](https://blog.quelimaging.com) - [News](https://www.QUELimaging.com/news) - [About](https://www.quelimaging.com/about) - [Resources](https://shop.QUELimaging.com/Resources) # View of Field ### Reflections on the field of *in vivo* fluorescence imaging [![QUEL Imaging's logo 3D printed in tissue mimicking and clear resin matricies using the Q-X phantom platform. ](https://blog.quelimaging.com/hubfs/undefined-Aug-27-2026-08-07-16-3047-PM.png)](https://blog.quelimaging.com/if-blood-is-red-why-are-veins-blue) [concepts](https://blog.quelimaging.com/tag/concepts) ### [If blood is red, why are veins blue?](https://blog.quelimaging.com/if-blood-is-red-why-are-veins-blue) ![Picture of Alberto Ruiz](https://blog.quelimaging.com/hs-fs/hubfs/Alberto2.jpg?width=50&name=Alberto2.jpg) [Alberto Ruiz](https://blog.quelimaging.com/author/alberto-ruiz) Look at the back of your hand. Beneath the surface, faint lines trace their way toward your wrist:... [Read more](https://blog.quelimaging.com/if-blood-is-red-why-are-veins-blue) [![Q-S Optiblox Product Demonstration illuminated with red and green lasers](https://blog.quelimaging.com/hubfs/Screenshot%202025-10-24%20at%2012.19.11%20PM.png)](https://blog.quelimaging.com/optiblox-qs-overview) [optical properties](https://blog.quelimaging.com/tag/optical-properties) ### [Soft Tissue Phantoms for Medical Device Development: Unlocking Tissue Compliance](https://blog.quelimaging.com/optiblox-qs-overview) ![Picture of The QUEL Team](https://blog.quelimaging.com/hs-fs/hubfs/QUEL_Q.png?width=50&name=QUEL_Q.png) [The QUEL Team](https://blog.quelimaging.com/author/quel) When you press a pulse oximeter against your finger, the tissue deforms. When a surgeon navigates... [Read more](https://blog.quelimaging.com/optiblox-qs-overview) [![QUEL Imaging's Skin Tone Multi-material Phantom](https://blog.quelimaging.com/hubfs/Screenshot%202025-10-27%20at%209.37.18%20AM.png)](https://blog.quelimaging.com/optiblox-qx-overview) [optical properties](https://blog.quelimaging.com/tag/optical-properties) ### [Heterogeneous Optical Tissue Phantoms using Multi-Material Manufacturing](https://blog.quelimaging.com/optiblox-qx-overview) ![Picture of The QUEL Team](https://blog.quelimaging.com/hs-fs/hubfs/QUEL_Q.png?width=50&name=QUEL_Q.png) [The QUEL Team](https://blog.quelimaging.com/author/quel) Traditional optical phantoms have limitations. They're homogeneous blocks of material with uniform... [Read more](https://blog.quelimaging.com/optiblox-qx-overview) [![Conceptual schematic of photon time-of-flight detection](https://blog.quelimaging.com/hubfs/undefined-Oct-17-2025-08-58-57-2454-PM.png)](https://blog.quelimaging.com/tof-intro) [concepts](https://blog.quelimaging.com/tag/concepts) ### [Photon Time-of-Flight Measurements for Tissue Optical Properties](https://blog.quelimaging.com/tof-intro) ![Picture of The QUEL Team](https://blog.quelimaging.com/hs-fs/hubfs/QUEL_Q.png?width=50&name=QUEL_Q.png) [The QUEL Team](https://blog.quelimaging.com/author/quel) When light travels through air or space, it moves unimaginably fast—circling the Earth about seven... [Read more](https://blog.quelimaging.com/tof-intro) [![Animation illustrating optical transmission, scattering, and absorption in a tissue-mimicking sample. ](https://blog.quelimaging.com/hubfs/undefined-Oct-13-2025-08-15-15-8067-PM.png)](https://blog.quelimaging.com/iad-overview) [concepts](https://blog.quelimaging.com/tag/concepts) ### [Inverse-Adding-Doubling Algorithm: Translating measurements into models](https://blog.quelimaging.com/iad-overview) ![Picture of The QUEL Team](https://blog.quelimaging.com/hs-fs/hubfs/QUEL_Q.png?width=50&name=QUEL_Q.png) [The QUEL Team](https://blog.quelimaging.com/author/quel) We discussed before how raw reflectance and transmittance spectra provide a story of a photon's... [Read more](https://blog.quelimaging.com/iad-overview) [![Illustration of a general spectrophotometry configured with two integrating spheres. Most commercial spectrophotometers only contain one integrating sphere. ](https://blog.quelimaging.com/hubfs/undefined-Oct-13-2025-06-50-47-0324-PM.png)](https://blog.quelimaging.com/spectrophotometry-overview) [concepts](https://blog.quelimaging.com/tag/concepts) ### [Full-Spectrum Optical Measurements in Tissue and Phantoms](https://blog.quelimaging.com/spectrophotometry-overview) ![Picture of The QUEL Team](https://blog.quelimaging.com/hs-fs/hubfs/QUEL_Q.png?width=50&name=QUEL_Q.png) [The QUEL Team](https://blog.quelimaging.com/author/quel) If you're building an optical medical device (e.g., pulse oximeters, surgical guidance tools,... [Read more](https://blog.quelimaging.com/spectrophotometry-overview) [![Illustration of how green and red light will scatter and absorb differently in tissue. ](https://blog.quelimaging.com/hubfs/undefined-Oct-13-2025-05-56-25-7121-PM.png)](https://blog.quelimaging.com/light-tissue-interaction-overview) [concepts](https://blog.quelimaging.com/tag/concepts) ### [Light-Tissue Interactions in Optical Medical Devices](https://blog.quelimaging.com/light-tissue-interaction-overview) ![Picture of The QUEL Team](https://blog.quelimaging.com/hs-fs/hubfs/QUEL_Q.png?width=50&name=QUEL_Q.png) [The QUEL Team](https://blog.quelimaging.com/author/quel) When you're developing medical imaging systems, one of the biggest challenges is understanding how... [Read more](https://blog.quelimaging.com/light-tissue-interaction-overview) [![](https://blog.quelimaging.com/hubfs/undefined-Oct-20-2025-07-18-36-4894-PM.png)](https://blog.quelimaging.com/introducing-optiblox) [optical properties](https://blog.quelimaging.com/tag/optical-properties) ### [Introducing OptiBlox® - the latest in optical tissue phantom technology](https://blog.quelimaging.com/introducing-optiblox) ![Picture of The QUEL Team](https://blog.quelimaging.com/hs-fs/hubfs/QUEL_Q.png?width=50&name=QUEL_Q.png) [The QUEL Team](https://blog.quelimaging.com/author/quel) Across optical sensing applications—from medical-grade pulse oximetry and surgical imaging to... [Read more](https://blog.quelimaging.com/introducing-optiblox) [![QUEL\_Q](https://blog.quelimaging.com/hs-fs/hubfs/QUEL_Q.png?width=100&height=102&name=QUEL_Q.png "QUEL_Q")](https://www.QUELimaging.com) QUEL Imaging aims to build an ecosystem to accelerate and standardize methods for clinical translation of in vivo optical imaging technologies. [linkedin-in icon](https://www.linkedin.com/company/quel-imaging/) [Follow us on Facebook](https://www.youtube.com/@quel-imaging) [Follow us on Facebook](https://www.instagram.com/quel_imaging/) **Pages** [Home](http://www.QUELimaging.com) [Products](https://www.quelimaging.com/products) [Shop](https://shop.QUELimaging.com) [News](https://www.quelimaging.com/news) [About](https://www.quelimaging.com/about) **Resources** [Blog](https://blog.quelimaging.com) [Watch a Demo](https://www.youtube.com/channel/UCEQoMBcFibERa5dcsN9syEA) [Contact Us](https://www.quelimaging.com/about/contact-us) Copyright © 2026, QUEL Imaging