Effects of facet reflectivity of a laser diode on the performance of fiber Bragg grating semiconductor lasers are studied experimentally. Facet reflectivity of less than 10-4 is necessary to obtain stable oscillation ...Effects of facet reflectivity of a laser diode on the performance of fiber Bragg grating semiconductor lasers are studied experimentally. Facet reflectivity of less than 10-4 is necessary to obtain stable oscillation wavelength.展开更多
Organic semiconductor is one of the most promising luminescent and lasing materials that can be chemically synthesized with a controllable performance and possess high cross-section of stimulated emission[1].Organic s...Organic semiconductor is one of the most promising luminescent and lasing materials that can be chemically synthesized with a controllable performance and possess high cross-section of stimulated emission[1].Organic semiconductor laser diodes(OSLDs)can be prepared by simple processing technologies and integrated easily with other optoelectronic devices.As a result,OSLDs would展开更多
Intracavity absorption spectroscopy is a strikingly sensitive technique that has been integrated with a two-wavelength setup to develop a sensor for human breath.Various factors are considered in such a scenario,out o...Intracavity absorption spectroscopy is a strikingly sensitive technique that has been integrated with a two-wavelength setup to develop a sensor for human breath.Various factors are considered in such a scenario,out of which Relative Intensity Noise(RIN)has been exploited as an important parameter to characterize and calibrate the said setup.During the performance of an electrical based assessment arrangement which has been developed in the laboratory as an alternative to the expensive Agilent setup,the optical amplifier plays a pivotal role in its development and operation,along with other components and their significance.Therefore,the investigation and technical analysis of the amplifier in the system has been explored in detail.The algorithm developed for the automatic measurements of the system has been effectively deployed in terms of the laser’s performance.With this in perspective,a frequency dependent calibration has been pursued in depth with this scheme which enhances the sensor’s efficiency in terms of its sensitivity.In this way,our investigation helps us in a better understanding and implementation perspective of the proposed system,as the outcomes of our analysis adds to the precision and accuracy of the entire system.展开更多
BACKGROUND Currently,the advancement cancer treatment technology improves overall survival,however,adverse events are still a challenge for health professional.Genitourinary syndrome of menopause and vaginal stenosis ...BACKGROUND Currently,the advancement cancer treatment technology improves overall survival,however,adverse events are still a challenge for health professional.Genitourinary syndrome of menopause and vaginal stenosis are conditions that impact the quality of life of patients undergoing radiotherapy.We present two such cases in patients with previous cervical and endometrial cancer.These conditions were handled with an innovative method using an energy-based device with blue light emitting diode for concomitant vaginal and vulvar irradiation.Positive impact in clinical findings,cytologic changes,and referred symptoms were documented.CASE SUMMARY One patient diagnosed with vaginal severe vaginal stenosis with previous cervix cancer treatment and other patient diagnosed with mild stenosis with severe dyspareunia and recent endometrium cancer treatment were considered for vulvovaginal treatment with weekly blue led device and closely evaluated with repeated validated questionnaires and cytological samples.CONCLUSION This innovative technique showed an improvement in all areas of the examiner's criteria,the cytological criteria,and most bothered symptoms.展开更多
<span style="font-family:Verdana;">Capsular contracture is a frequent complication in the postoperative period of breast implantation. It usually accompanies the appearance of a firm breast that can pr...<span style="font-family:Verdana;">Capsular contracture is a frequent complication in the postoperative period of breast implantation. It usually accompanies the appearance of a firm breast that can progress to pain, distortion, and asymmetry of the breasts, requiring surgical revision. The present study is a case report. A 58-year-old woman with a medical diagnosis of capsular contracture of the right breast evidenced by ultrasound. She was referred to the physiotherapy clinic in October 2019 with an initial complaint of pain on palpation, swelling, and stiffness in her right breast. The patient was evaluated and the MAC</span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sup><span style="font-family:Verdana;"><span style="font-family:Verdana;">ò</span></span></sup></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> method was used to treat capsular contracture. For this, 12 sessions of photodynamic therapy were carried out. The treatment included the use of LED by doping: red (300</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">s), violet (60</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">s) and blue (120</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">s), with the use of 1% methylene blue in target areas, three times a week. The patient had the beginning of symptoms’ remission in the fourth visit and total remission in the 12th visit. It was concluded that the use of photodynamic therapy using the MAC</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sup><span style="font-family:Verdana;"><span style="font-family:Verdana;">ò</span></span></sup></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> method showed improvement in signs and symptoms</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">—</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">t</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">he sensation of prosthesis stiffness in the lower and medial region, local temperature, and pain in the right breast. The patient was followed up after treatment and currently, she has no complaints. There was also no need for surgical intervention. In the present case report, the MAC</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sup><span style="font-family:Verdana;"><span style="font-family:Verdana;">ò</span></span></sup></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> method proved to be effective. Further research is suggested with a cohort of patients with capsular contracture, with randomization and evaluation of a larger number of patients with the referred method.</span></span></span>展开更多
文摘Effects of facet reflectivity of a laser diode on the performance of fiber Bragg grating semiconductor lasers are studied experimentally. Facet reflectivity of less than 10-4 is necessary to obtain stable oscillation wavelength.
基金supported by the CAS Innovation Program, the National Natural Science Foundation of China (51503196, 61775211, 61704170, 61405195 and 61774154)the financial support from the State Key Laboratory of Luminescence and Applications
文摘Organic semiconductor is one of the most promising luminescent and lasing materials that can be chemically synthesized with a controllable performance and possess high cross-section of stimulated emission[1].Organic semiconductor laser diodes(OSLDs)can be prepared by simple processing technologies and integrated easily with other optoelectronic devices.As a result,OSLDs would
基金This work was supported in part by the German Academic Exchange Service(Deutsche Akademische Austausch Dienst(DAAD)),and in part by the University of Kassel.
文摘Intracavity absorption spectroscopy is a strikingly sensitive technique that has been integrated with a two-wavelength setup to develop a sensor for human breath.Various factors are considered in such a scenario,out of which Relative Intensity Noise(RIN)has been exploited as an important parameter to characterize and calibrate the said setup.During the performance of an electrical based assessment arrangement which has been developed in the laboratory as an alternative to the expensive Agilent setup,the optical amplifier plays a pivotal role in its development and operation,along with other components and their significance.Therefore,the investigation and technical analysis of the amplifier in the system has been explored in detail.The algorithm developed for the automatic measurements of the system has been effectively deployed in terms of the laser’s performance.With this in perspective,a frequency dependent calibration has been pursued in depth with this scheme which enhances the sensor’s efficiency in terms of its sensitivity.In this way,our investigation helps us in a better understanding and implementation perspective of the proposed system,as the outcomes of our analysis adds to the precision and accuracy of the entire system.
文摘BACKGROUND Currently,the advancement cancer treatment technology improves overall survival,however,adverse events are still a challenge for health professional.Genitourinary syndrome of menopause and vaginal stenosis are conditions that impact the quality of life of patients undergoing radiotherapy.We present two such cases in patients with previous cervical and endometrial cancer.These conditions were handled with an innovative method using an energy-based device with blue light emitting diode for concomitant vaginal and vulvar irradiation.Positive impact in clinical findings,cytologic changes,and referred symptoms were documented.CASE SUMMARY One patient diagnosed with vaginal severe vaginal stenosis with previous cervix cancer treatment and other patient diagnosed with mild stenosis with severe dyspareunia and recent endometrium cancer treatment were considered for vulvovaginal treatment with weekly blue led device and closely evaluated with repeated validated questionnaires and cytological samples.CONCLUSION This innovative technique showed an improvement in all areas of the examiner's criteria,the cytological criteria,and most bothered symptoms.
文摘<span style="font-family:Verdana;">Capsular contracture is a frequent complication in the postoperative period of breast implantation. It usually accompanies the appearance of a firm breast that can progress to pain, distortion, and asymmetry of the breasts, requiring surgical revision. The present study is a case report. A 58-year-old woman with a medical diagnosis of capsular contracture of the right breast evidenced by ultrasound. She was referred to the physiotherapy clinic in October 2019 with an initial complaint of pain on palpation, swelling, and stiffness in her right breast. The patient was evaluated and the MAC</span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sup><span style="font-family:Verdana;"><span style="font-family:Verdana;">ò</span></span></sup></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> method was used to treat capsular contracture. For this, 12 sessions of photodynamic therapy were carried out. The treatment included the use of LED by doping: red (300</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">s), violet (60</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">s) and blue (120</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">s), with the use of 1% methylene blue in target areas, three times a week. The patient had the beginning of symptoms’ remission in the fourth visit and total remission in the 12th visit. It was concluded that the use of photodynamic therapy using the MAC</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sup><span style="font-family:Verdana;"><span style="font-family:Verdana;">ò</span></span></sup></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> method showed improvement in signs and symptoms</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">—</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">t</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">he sensation of prosthesis stiffness in the lower and medial region, local temperature, and pain in the right breast. The patient was followed up after treatment and currently, she has no complaints. There was also no need for surgical intervention. In the present case report, the MAC</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><sup><span style="font-family:Verdana;"><span style="font-family:Verdana;">ò</span></span></sup></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> method proved to be effective. Further research is suggested with a cohort of patients with capsular contracture, with randomization and evaluation of a larger number of patients with the referred method.</span></span></span>