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The renovation of the Linde + Robinson Laboratory for Global Environmental Science achieved LEED platinum certification and will become the lowest-energy research lab in the United States.  The 1934 building was originally designed as academic offices and classrooms, but also as an astronomical instrument of building scale.  Renowned artist, architect, engineer, and instrument designer Russell Porter created the Robinson Coelostat as an integral part of the original building and it stands as the precedent for all modern solar telescopes operating today.  During the laboratory building remodel, Loisos + Ubbelohde proposed to reactivate and automate the coelostat. The coelostat will be used to provide daylight into underground laboratories, supply light for a sculpture in the second floor library, and create a large real time projected image of the sun visible in the main corridor of the building. We designed and fabricated the optics and light fixtures for the project.


Architectural Resources Group, Inc.

Pasadena, CA
Occupied 2012

2012 Los Angeles Conservancy Preservation Award

2012 USGBC LEED Platinum

2009 AIA East Bay Unbuilt Merit Design Award for Coelostat Re-Activation



Photo of coelostat and beam of light travelling down the shaft.

The coelostat directs a 24'' diameter column of light to the basement of the buidling, illuminating eight solar light fixures and providing a free beam of light for scientic research.

Fiber optic fixtures installed in the basement.

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Above: Fiber optics light fixture components test.

Above: Mock up of fiber optics light fixture powered by sunlight delivered by the coelostat

Above: Detail of fiber optics