describe a he-ne laser. how is population inversion achieved in this type of laser?
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⬆️⬆️⬆️⬆️⬆️⛔⛔⛔♦️♦️♦️A helium–neon laser or HeNe laser, is a type of gas laser whose gain medium ... The mechanism producing population inversion and light amplification in a HeNe laser plasma .
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⬆️⬆️⬆️⬆️⬆️⛔⛔⛔♦️♦️♦️A helium–neon laser or HeNe laser, is a type of gas laser whose gain medium ... The mechanism producing population inversion and light amplification in a HeNe laser plasma .
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ᴀ ʜᴇʟɪᴜᴍ–ɴᴇᴏɴ ʟᴀsᴇʀ ᴏʀ ʜᴇɴᴇ ʟᴀsᴇʀ, ɪs ᴀ ᴛʏᴘᴇ ᴏғ ɢᴀs ʟᴀsᴇʀ ᴡʜᴏsᴇ ɢᴀɪɴ ᴍᴇᴅɪᴜᴍ ᴄᴏɴsɪsᴛs ᴏғ ᴀ ᴍɪxᴛᴜʀᴇ ᴏғ 85% ʜᴇʟɪᴜᴍ ᴀɴᴅ 15% ɴᴇᴏɴ ɪɴsɪᴅᴇ ᴏғ ᴀ sᴍᴀʟʟ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴅɪsᴄʜᴀʀɢᴇ.
ᴛʜᴇ ʙᴇsᴛ-ᴋɴᴏᴡɴ ᴀɴᴅ ᴍᴏsᴛ ᴡɪᴅᴇʟʏ ᴜsᴇᴅ ʜᴇɴᴇ ʟᴀsᴇʀ ᴏᴘᴇʀᴀᴛᴇs ᴀᴛ ᴀ ᴡᴀᴠᴇʟᴇɴɢᴛʜ ᴏғ 632.8 ɴᴍ, ɪɴ ᴛʜᴇ ʀᴇᴅ ᴘᴀʀᴛ ᴏғ ᴛʜᴇ ᴠɪsɪʙʟᴇ sᴘᴇᴄᴛʀᴜᴍ.
ᴀ ʜᴇʟɪᴜᴍ–ɴᴇᴏɴ ʟᴀsᴇʀ ᴏʀ ʜᴇɴᴇ ʟᴀsᴇʀ, ɪs ᴀ ᴛʏᴘᴇ ᴏғ ɢᴀs ʟᴀsᴇʀ ᴡʜᴏsᴇ ɢᴀɪɴ ᴍᴇᴅɪᴜᴍ ᴄᴏɴsɪsᴛs ᴏғ ᴀ ᴍɪxᴛᴜʀᴇ ᴏғ 85% ʜᴇʟɪᴜᴍ ᴀɴᴅ 15% ɴᴇᴏɴ ɪɴsɪᴅᴇ ᴏғ ᴀ sᴍᴀʟʟ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴅɪsᴄʜᴀʀɢᴇ.
ᴛʜᴇ ʙᴇsᴛ-ᴋɴᴏᴡɴ ᴀɴᴅ ᴍᴏsᴛ ᴡɪᴅᴇʟʏ ᴜsᴇᴅ ʜᴇɴᴇ ʟᴀsᴇʀ ᴏᴘᴇʀᴀᴛᴇs ᴀᴛ ᴀ ᴡᴀᴠᴇʟᴇɴɢᴛʜ ᴏғ 632.8 ɴᴍ, ɪɴ ᴛʜᴇ ʀᴇᴅ ᴘᴀʀᴛ ᴏғ ᴛʜᴇ ᴠɪsɪʙʟᴇ sᴘᴇᴄᴛʀᴜᴍ.
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