In a general-use optical pulse generator, an optical fibre made of a predetermined material added with a rare-earth material is vibrated by a displacement element such as a piezoelectric element so as to open and close an optical path provided for an optical signal, so that an optical pulse signal is generated.
outing(Noun) An appearance to perform in public, for example in a drama, film, on a musical album, as a sports contestant etc. Outing. Outing is the act of disclosing a gay, lesbian, bisexual or transgender person's sexual orientation or gender identity without that person's consent. Outing gives rise to issues of privacy, choice, hypocrisy, and harm in addition to sparking debate on what constitutes common good in efforts to combat homophobia and heterosexism.
Recreation is an important process that helps refresh and reinvigorate both the body and mind. Most recreational activities take place in what is known as discretionary time, or time that a person has when he does not have any responsibilities to attend to at the moment. Recreational activities can range from physical actions such as team sports to playing in the park or taking a hike in nature. They can also refer to exercise such as visiting the gym or running on a trail. These activities allow people to use their bodies and increase their levels of personal fitness for health-related reasons.