How to send a javascript array via AJAX (jquery)?

Experts,

I feel like a dummy but, I can't figure out the correct syntax to send an array of email addresses via AJAX?

My current script sends all of the email address in one long text string vs. a format that I can actually use on the back end?

What syntax do I need to use to have the values sent in an array vs. a long string?

String being sent by my script:
PARAMS
addresses: joe.blow@mysite.comjohn.doe@mysite.comsally.smith@kp.org

I'm expecting the array to be sent like this:
PARAMS
addresses[]:
joe.blow@mysite.com
john.doe@mysite.com
sally.smith@kp.org

//SEND EMAIL WHEN SEND BUTTON IS PRESSED
$("#send_email").click(function(){
	if(confirm('Press "OK" to send email.\n\nPress "Cancel" to continue without sending email.')){
		var clinician_array = [];
		var clinician_text = '';
		$(".clinician_checkbox").each(function(){
			if($(this).prop('checked')==true){
				clinician_array.push($(this).attr('id'));
			}
		});
		var clinician_array_length = clinician_array.length;
		for(i=0; i < clinician_array_length; i++){
			clinician_text+= clinician_array[i];
		}//END FOR LOOP
		//SEND EMAIL VIA AJAX
		$.ajax({
			method: 'POST',
			url: 'scripts/email.php?args=email',
			data: {
				addresses: clinician_text	
			}
		}).done(function(){
			alert('Data sent');
		}).fail(function(){
			alert('Error');
		});//END AJAX
	}//END IF
});//END #send_email FUNCTION

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