Application of femtosecond lasers for the frequency synthesis in radio-optical ranges and for the creation of an optical clock

2001 ◽  
Author(s):  
Sergei N. Bagayev ◽  
S. V. Chepurov ◽  
V. M. Klementyev ◽  
D. B. Kolker ◽  
S. A. Kuznetsov ◽  
...  
Keyword(s):  
Femtosecond Lasers ◽  
Optical Clock ◽  
Frequency Synthesis ◽  
The Creation

scholarly journals Broadband phase-coherent optical frequency synthesis with actively linked Ti:sapphire and Cr:forsterite femtosecond lasers

2004 ◽  
Vol 29 (4) ◽  
pp. 403 ◽  
Author(s):  
Albrecht Bartels ◽  
Nathan R. Newbury ◽  
Isabell Thomann ◽  
Leo Hollberg ◽  
Scott A. Diddams
Keyword(s):  
Femtosecond Lasers ◽  
Optical Frequency ◽  
Frequency Synthesis

The role of affect in feelings of obligation

2020 ◽  
Vol 43 ◽  
Author(s):  
Stefen Beeler-Duden ◽  
Meltem Yucel ◽  
Amrisha Vaish
Keyword(s):  
Positive Emotions ◽  
The Creation ◽  
Sense Of Obligation

Abstract Tomasello offers a compelling account of the emergence of humans’ sense of obligation. We suggest that more needs to be said about the role of affect in the creation of obligations. We also argue that positive emotions such as gratitude evolved to encourage individuals to fulfill cooperative obligations without the negative quality that Tomasello proposes is inherent in obligations.

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