Goniometer(°í´Ï¿À¹ÌÅÍ)

 

·çÄ« °í´Ï¿À-SI(luca' gonio 2π & 4π- SI)

·çÄ« °í´Ï¿À-SI(luca' gonio - SI) ÃøÁ¤½Ã½ºÅÛÀº ±¤µµºÐÆ÷(Luminous intensity distribution) ÃøÁ¤°ú ¼Ò½º À̹ÌÁö(SI: Source imaging)¸¦ ÃøÁ¤ÇÏ´Â ½Ã½ºÅÛÀÔ´Ï´Ù. ±¤¼Ò½º(Light source) ÁÖº¯ÀÇ ¿µ¿ªÀ» ȸÀüÇÏ¸ç ¿ø°Å¸® Çʵå(Far field)¿¡¼­ ±¤µµºÐÆ÷°¡ ÃøÁ¤µÇ°í ¼Ò½ºÀ̹ÌÁö´Â ±Ù°Å¸® Çʵå(Near field)·Î ÃøÁ¤ÀÌ µË´Ï´Ù.

·çÄ« °í´Ï¿À-SI(luca' gonio-SI)´Â ȸÀüÇÒ ¼ö ÀÖ´Â ¿µ¿ªÀÇ ¹üÀ§¿¡ µû¶ó ·çÄ« °í´Ï¿À 2¥ð (luca' gonio 2¥ð)¿Í ·çÄ« °í´Ï¿À 4¥ð(luca' gonio 4¥ð)·Î ±¸ºÐµÇ¾î Áý´Ï´Ù.

°í´Ï¿À¹ÌÅÍ(Goniometer)½Ã½ºÅÛÀÌ »ùÇÃÀÇ ÁÖº¯À» ȸÀüÇϸ鼭 Á¤È®ÇÑ ½Ã¾ß°¢(Viewing anlge) °ªÀÌ »êÃâµÇ´Âµ¥, À̶§ ¹æÀ§°¢(Azimuth angle)°ú õÁ¤°¢(Zenith angle)°ªÀÌ Æ÷ÇԵ˴ϴÙ. ¼öõ °³ÀÇ ÈÖµµ ÃøÁ¤ °ªÀÌ °¢ °¢ÀÇ ´Ù¸¥ ½Ã¾ß°Å¸®¿¡¼­ ÃøÁ¤µÇ¾î ·¹À̵¥ÀÌÅÍ(Ray data)¸¦ °è»êÇÕ´Ï´Ù.

ÀÌ Á¦Ç°Àº »ç¿ëÀÚ°¡ ÃøÁ¤ÇÏ°íÀÚ ÇÏ´Â °ª¿¡ µû¶ó ±¤ÀüÀÚ¹èÁõ°ü(Photomultiplier), ºÐ±¤ ÃøÁ¤ ½Ã½ºÅÛÀÎ ½ºÆå'3(spec'3), ÈÖµµ(Luminance )ÃøÁ¤ ½Ã½ºÅÛÀÎ ·çÄ«(luca)Á¦Ç°°ú °áÇÕÀÌ °¡´ÉÇÕ´Ï´Ù.

Ray data ÃøÁ¤ »ùÇÃÀº ´ÙÀ½°ú °°½À´Ï´Ù.

Àû¿ë ºÐ¾ß
±¤¿ø »ó¼¼Á¤º¸(Light Source Description)
Á¦Á¶»ç (Producer) Philips Lamp Output   50 W
Á¦Ç°Å¸ÀÔ (Type) Halogen bulb »ö¿Âµµ (Color temperature) 3,000 Kelvin
¸ðµ¨ (Model) 12429 N ±¤¼ÓÀü´ÞÀ² (Nominal luminous flux) 1,150 lm
·¥ÇÁÀü¾Ð   22.8 V      

- Çʸ³½º(Philips) Á¦Ç°ÀÇ ±¤¿ø(Light source) ÃøÁ¤°á°ú·ÎºÎÅÍ ÃßÃâÇÑ ·¹À̵¥ÀÌÅÍ(Ray data)

ÃøÁ¤È¯°æ(Measuring Conditions)
±¤¿øÀÇ Àü·ù (Light sourve current) 2.19A (°íÁ¤Àü·ù)
±¤¿øÀÇ Àü¾Ð (Light source voltage) 22.8 V (Ãʱâ ÃøÁ¤½Ã Àü¾Ð)
¹æ¿Âµµ (Room temperature) 21¡É (± 2¡É )
»ó´ë½Àµµ (Relative humidity) 24 % (± 5%)
ÃøÁ¤È¯°æ(Measuring Conditions)
õÁ¤È¸Àü¹üÀ§ (Zenith.rotation range) 0º ≤ δ ≤ 150º
¹æÀ§È¸Àü¹üÀ§ (Azimuth.rotation range) -180º ≤ Φ ≤ 180º
ÃÑ ÃøÁ¤ ÀÔü°¢ (Total solid angle of the measurement)

´ë·« 11.72 sr(ÃÑ ÃøÁ¤ ÀÔü°¢ÀÇ ¾à 93%)

ÀÔü°¢ºÐÆ÷(Solid Angle Distribution)

Àüü ÀÔü°¢(Solid angle)Àº 9,456 ºÎºÐÀ¸·Î ³ª´©¾îÁ®¼­ ÃøÁ¤µË´Ï´Ù. »çÁø¿¡¼­ º¸¿©Áö´Â °¢°¢ÀÇ ÃøÁ¤¿µ¿ª ±¸ÀÇ ºÐÇÒ¼¿µé(Spherical rectangle)Àº °¡»óÀÇ ±¸ÇüÅÂ(Imaginary sphere)¿¡¼­ ´ÜÀÏ ÃøÁ¤ Æ÷Áö¼ÇÀÇ ÃøÁ¤°ªÀÌ º¸¿©Áý´Ï´Ù. ÀÌ ÃøÁ¤ Æ÷Áö¼ÇÀÇ °¢°¢ÀÇ ÈÖµµÃøÁ¤°ªÀº Àüü ÀÔü°¢ ±¤¼®(Solid angle)À¸·Î ³ªÅ¸³³´Ï´Ù.

·¹À̵¥ÀÌÅÍ(Ray Data)

ÃøÁ¤µÈ ÀüüÀÔü°¢ (Solid angle)¿¡¼­ ´ë·« 22¸¸°³ÀÇ ±¤¼±ÀÌ »ý¼ºµÇ°í ÃÑ 1,150 ·ç¸à(Lumen)ÀÇ ÈÖµµ È帧(Luminous flux)¸¦ °¡Áö°í ÀÖ½À´Ï´Ù. ¾Æ·¡ ±×¸²Àº ¿ø°Å¸® ±¤¿øÀÇ »ê¶õ(Emission) ÆÐÅÏÀ» ³ªÅ¸³À´Ï´Ù.