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Keywords: Optics
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Journal Articles
J Exp Biol (2021) 224 (4): jeb215541.
Published: 25 February 2021
... for the detection of polarized light, which in addition to communication with conspecifics, can be used for orientation and navigation. For vision in low light, optical superposition compound eyes perform particularly well. Other modifications to maximize photon capture involve large lenses, stout photoreceptors...
Journal Articles
J Exp Biol (2020) 223 (1): jeb216192.
Published: 6 January 2020
... of genetic control during early development and homeostatic visual input that fine-tunes the optics of the eye. While emmetropization has long been researched in vertebrates, it is largely unknown how emmetropia is established in arthropods. We used a micro-ophthalmoscope to directly measure how the lens...
Journal Articles
J Exp Biol (2017) 220 (22): 4095–4100.
Published: 15 November 2017
... is situated slightly below the receptor surface. In contrast to other approaches, this device does not rely on reflective tapeta and allows for precise optical assessment of diverse invertebrate eyes. * Author for correspondence ( elke.buschbeck@uc.edu ) Competing interests The authors declare...
Journal Articles
J Exp Biol (2017) 220 (11): 1997–2004.
Published: 1 June 2017
..., using full-wave optical simulations of physiologically realistic cone photoreceptors from birds, frogs and turtles, we find that pigmented oil droplets actually drastically reduce the transmission of light into the outer segment integrated across the full visible wavelength range of each species. Only...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (16): 2818–2824.
Published: 15 August 2014
...Elke K. Buschbeck Stemmata, the eyes of holometabolous insect larvae, have gained little attention, even though they exhibit remarkably different optical solutions, ranging from compound eyes with upright images, to sophisticated single-chamber eyes with inverted images. Such optical differences...
Journal Articles
J Exp Biol (2012) 215 (15): 2621–2629.
Published: 1 August 2012
...George S. Bakken; Samantha E. Colayori; Taihung Duong SUMMARY The pitviper facial pit is a pinhole camera-like sensory organ consisting of a flask-shaped cavity divided into two chambers by a suspended membrane. Neurophysiological studies and simplified optical models suggest that facial pits...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2009) 212 (15): 2448–2453.
Published: 1 August 2009
... for A. mellifera , M. genalis and X. tranquebarica , might exist in A. dorsata . d distal rhabdom diameter D maximum ommatidial diameter f focal length of the facet lens k peak absorption coefficient of the visual pigment l rhabdom length S optical sensitivity to white light...
Journal Articles
J Exp Biol (2007) 210 (16): 2801–2810.
Published: 15 August 2007
... a detailed optical and heat transfer analysis, which includes heat transfer through the air in the pit chambers as well as via thermal infrared radiation. We find the image on the membrane to be poorly focused and of very low temperature contrast. Heat flow through the air in the pit chambers severely limits...
Journal Articles
J Exp Biol (1992) 170 (1): 57–69.
Published: 1 September 1992
... eye gastropod sensitivity resolution optics Littorina littorea J. exp. Biol. 170, 57-69 (1992) 5 7 Primed in Great Britain © The Company of Biologists Limited 1992 RESOLUTION AND SENSITIVITY IN THE EYE OF THE WINKLE UTTORINA LITTOREA BY JAN-OLOF SEYER Department of Zoology, University...