激光杂志
激光雜誌
격광잡지
LASER JOURNAL
2012年
1期
30-32
,共3页
于海鹰%索琳%苏美开%刘潇%李大勇%李琪
于海鷹%索琳%囌美開%劉瀟%李大勇%李琪
우해응%색림%소미개%류소%리대용%리기
激光二极管%热特性%热阻%频率红移
激光二極管%熱特性%熱阻%頻率紅移
격광이겁관%열특성%열조%빈솔홍이
laser diode%thermal characteristic%thermal resistance%frequency bathochromic shift
测试出C-mount封装,额定功率为2W,峰值波长为808nm的激光二极管（LD）在不同温度下的PIV曲线、光谱曲线、远场特性曲线,分析激光二极管的热特性及激光二极管各项参数随温度的变化规律,并分析原因。通过分析计算出波长温度系数k,并结合频率红移法计算出该激光二极管的热阻Rth值。结果证明Rth随温度变化而变化。
測試齣C-mount封裝,額定功率為2W,峰值波長為808nm的激光二極管（LD）在不同溫度下的PIV麯線、光譜麯線、遠場特性麯線,分析激光二極管的熱特性及激光二極管各項參數隨溫度的變化規律,併分析原因。通過分析計算齣波長溫度繫數k,併結閤頻率紅移法計算齣該激光二極管的熱阻Rth值。結果證明Rth隨溫度變化而變化。
측시출C-mount봉장,액정공솔위2W,봉치파장위808nm적격광이겁관（LD）재불동온도하적PIV곡선、광보곡선、원장특성곡선,분석격광이겁관적열특성급격광이겁관각항삼수수온도적변화규률,병분석원인。통과분석계산출파장온도계수k,병결합빈솔홍이법계산출해격광이겁관적열조Rth치。결과증명Rth수온도변화이변화。
The laser diode（LD） which is C-mount encapsulation,rated power is 2W and peak wavelength is 808nm is measured.It is measured in different temperature and formed the PIV curve,the spectrum curve,the far field characteristic curve.The thermal characteristic of the laser diode and the parameters change rule of laser diode in different temperature and the reason are analyzed.Dealt with the data and calculated temperature coefficient of wavelength k which is used connecting with the frequency bathochromic shift method to calculate the laser diode Rth thermal resistance value.The results prove Rth with temperature changes.
