Gilashin ma'adini shine ainihin kayan don samar da fiber na gani saboda yana da kyakkyawan aikin watsa UV da ƙananan ƙarancin haske mai ganuwa da kuma kusa da infrared light. Bayan haɓakar haɓakar zafin gilashin ma'adini yana da ƙananan kaɗan. Kwanciyar sa mai kyau tana da kyau, kuma kumfa, ratsiyoyi, daidaito da birefringence suna kama da na gilashin gani na yau da kullun. Shine mafi kyawun kayan gani a ƙarƙashin mawuyacin yanayi.
Rabawa ta kayan kimiyyar gani:
1. (Far UV Tantancewar Ma'adini na Gilashi) JGS1
Gilashi mai ma'adinan quartz ne wanda aka yi shi da dutse na roba tare da SiCl 4 azaman albarkatun ƙasa kuma an narkar da shi ta hanyar tsarkakakken harshen wuta mai zafi. Don haka ya ƙunshi adadi mai yawa na hydroxyl (kusan 2000 ppm) kuma yana da kyakkyawan aikin watsa UV. Musamman a cikin gajeren yanki UV yanki, aikin watsa shi ya fi kowane nau'in gilashi kyau. Hanyoyin watsa UV a 185nm na iya kaiwa 90% ko fiye. Gilashin ma'adini na roba yana samun ƙarfin haɗuwa sosai a 2730 nm kuma bashi da tsarin ƙwaya. Yana da kyakkyawan kayan gani a cikin kewayon 185-2500nm.
2. (UV gilashin ma'adini na UV) JGS2
Gilashin ma'adini ne wanda aka samar dashi ta hanyar tace gas tare da lu'ulu'u a matsayin kayan abu, wanda yake dauke da dattin karfe na PPM. Akwai kololuwa na sha (hydroxyl abun ciki 100-200ppm) a 2730nm, tare da tsiri da tsarin kwayar halitta. Abu ne mai kyau a cikin zangon igiyar igiyar ruwa na 220-2500 nm.
3. (Infrared Tantancewar Ma'adini Glass) JGS3
Nau'in gilashin ma'adini ne wanda aka samar dashi ta wutar makera (watau hanyar electrofusion) tare da lu'ulu'u mai tsattsauran lu'u-lu'u ko kuma maɗaukaki a matsayin ɗanyen abu wanda yake ɗauke da sinadarin ƙarfe na ƙarfe na PPM. Amma yana da kananan kumfa, tsarin kwayar halitta da geza, kusan babu OH, kuma yana da babban watsa infrared. Watsawarsa ya wuce 85%. Tsarin aikace-aikacen sa shine kayan kwalliya 260-3500 nm.
Hakanan akwai nau'in nau'in gilashin ma'adini mai haske a duniya. Rukunin aikace-aikacen 180-4000nm ne, kuma ana samar dashi ne ta hanyar shigar da sanadarin kimiyyar plasma (ba tare da ruwa da H2 ba). Abun albarkatun kasa shine SiCl4 cikin tsafta. Dingara ƙaramin TiO2 na iya fitar da ultraviolet a 220nm, wanda ake kira gilashin ma'adini kyauta na ozone. Saboda hasken ultraviolet a kasa 220 nm na iya canza oxygen a cikin iska zuwa ozone. Idan an saka ƙaramin adadin titanium, europium da sauran abubuwa a cikin gilashin ma'adini, za a iya tace gajeriyar igiyar da ke ƙasa 340nm. Amfani dashi don samar da tushen wutar lantarki yana da tasirin kiwon lafiya akan fatar mutum. Irin wannan gilashin na iya zama kyauta kyauta. Yana da kyakkyawar watsawa ta ultraviolet, musamman a cikin gajeren yanki mai raɗaɗi na ultraviolet, wanda ya fi kowane sauran tabarau kyau. Yanayin watsawa a 185 nm shine 85%. Kyakkyawan kayan gani ne a cikin hasken haske na 185-2500nm. Saboda irin wannan gilashin yana ƙunshe da rukunin OH, watsawar infrared ɗin sa talauci ne, musamman ma akwai babban ɗimbin tsotsowa kusa da 2700nm.
Idan aka kwatanta da gilashin siliki na yau da kullun, gilashin ma'adini mai haske yana da kyakkyawan aikin watsawa a cikin tsawon tsawon. A cikin yankin infrared, watsa sigar ya fi na gilashi na yau da kullun girma, kuma a yankin da ake gani, watsa gilashin ma'adini shima ya fi haka. A cikin yankin ultraviolet, musamman a cikin gajeren yanki na ultraviolet, watsawar na gani ya fi sauran gilasai kyau. Abubuwa uku sun shafi watsa watsawa ta fuska: tunani, watsawa da sha. Tunanin gilashin ma'adini galibi shine 8%, yankin ultraviolet ya fi girma, kuma yankin infrared karami ne. Sabili da haka, watsawar gilashin ma'adini gabaɗaya bai wuce 92% ba. Watsa gilashin ma'adini karami ne kuma ana iya yin watsi da shi. Thearancin kallo yana da alaƙa da alaƙa da ƙazantar abun ciki na gilashin ma'adini da aikin samarwa. Yanayin wucewa a cikin band din kasa da 200 nm yana wakiltar adadin abun dake dauke da kazantar karfe. Samuwa a cikin 240 nm yana wakiltar adadin tsarin maye. Samuwa a cikin bayin da yake bayyane yana haifar da kasancewar ions ƙarfe masu sauyawa, kuma shawar a cikin 2730 nm shine ƙwanƙolin haɓakar hydroxyl, wanda za'a iya amfani dashi don ƙididdige ƙimar hydroxyl.
