A Catadioptric System for 3-D Optical Measurements - catadioptric system

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Illumination ticket holders may enter the Arboretum after 4:30 p.m., but will not be able to access the Illumination trail or Visitor Center until the time listed on their tickets. Due to often cold weather conditions, we encourage ticket holders to arrive as close as possible to the time on their tickets for the best experience.

Prices for Illumination and Electric Illumination vary based on the day and time. Plan-ahead pricing allows you to get the best deal on Illumination and Electric Illumination tickets when you buy in advance. The farther in advance you purchase tickets, the more you save!

Monday, November 18 Tuesday, November 19 Monday, November 25 Thursday, November 28 (Thanksgiving) Monday, December 2 Monday, December 9 Tuesday, December 10 Monday, December 16 Tuesday, December 17 Tuesday, December 24 (Christmas Eve) Wednesday, December 25 (Christmas Day)

Arboretum members receive the lowest ticket prices, with a 20% discount on all tickets. Become a member to get the best pricing for Illumination tickets.

Warm up by a crackling fire and roast marshmallows for s’mores, stop in at the concession tent on Frost Hill for snacks and beverages, or sit down to a delicious meal at the Ginkgo Restaurant to view a laser light finale on Meadow Lake.

Illumination lightcar

The TG Phase 2, with members nominated by: AIRP Italy, SERP Spain, CRPA Croatia, SRP UK, HPS US, SARPA South Africa, SAR Argentina and JHPS Japan, defined and promoted a survey with reference to:

A concession tent on Frost Hill along the Illumination trail will serve snacks and hot beverages. S’mores are available for roasting on the fire pits. The concession tent will be open from 4:30 to 9:00 p.m. during Illumination.

Prices are determined based on a number of factors, including attendance patterns, popular holidays and special events, and weather. For busier periods with higher estimated attendance, prices will reflect high demand. For quieter attendance days, prices will be lower.

If you do not have a disability placard and someone in your party has mobility concerns, you are also welcome to drop off passengers in the circle drive adjacent to the Visitor Center before you park. Please notify the parking attendants and they will direct you accordingly.

The Morton Arboretum offers a way to make changes to existing ticket reservations for Illumination and Electric Illumination ticket holders. You can use this rebooking tool if you are changing your tickets from one date to another, even if there is a cost difference between the two dates. Only dates and times that are still available will show during the rebooking process.

Because Illumination is an outdoor event in winter, on very rare occasions the Arboretum may cancel an evening or temporarily close the event until weather passes. Many factors are considered, including predictions from the National Weather Service and other weather services, before making a decision that has an impact on guests. If Illumination is canceled or temporarily closed for part of an evening, ticket holders will be notified via email, and notice will be posted to the Arboretum’s website homepage. We will honor tickets on alternate nights, schedule permitting. For more information, email or call the ticket line at tickets@mortonarb.org or 630-725-2066 between 9:00 a.m. and 4:00 p.m. daily (except holidays).

Illuminationlighting design

Beverages Hot Chocolate Hot Chocolate with Baileys® Hot Chocolate with Peppermint Schnapps Hot Cider Hot Cider with Spiced Rum Boxed Water™

Guests directed to a secondary lot (Parking Lot 21), near the Thornhill Education Center on the Arboretum’s West Side, can take advantage of a shuttle bus that will transport them to the main event area. Please note that this is the only shuttle bus during Illumination and it only runs between Parking Lot 21 and the Visitor Center. The bus does not have a wheelchair lift.

New for 2024 is an Illumination sensory evening on Tuesday, December 3, from 4:30 to 9:30 p.m.; last entry is at 8:00 p.m. This modified experience will feature static lights and music at low volume. Tickets are available in a limited capacity for the event on this night to provide a sensory-sensitive environment.

This Illumination-specific discount is an extension of the popular Museums for All program, a partnership between the Institute of Museum and Library Services (IMLS) and the Association of Children’s Museums (ACM).

Electric Illumination offers a special late-night experience from 8:30 to 10:00 p.m. on three special weekends in November and December, each with a unique theme. Adults 18 and older will enjoy a curated playlist of music synchronized to breathtaking light displays.

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A secluded glade is strung with fairy lights, kinetic LED tall grasses honor a Midwest native species, and trees light up with a hug. New this year, Celebration Circle is an interactive light display in The Gerard T. Donnelly Grand Garden featuring four sets of illuminated tree-shaped installations, each synced to the music of a different instrument.

Located in Centennial Plaza in The Grand Garden, Celebration Circle is a new Illumination experience featuring four interactive sets of abstract trees. Each tree lights up with dynamic colors that are synced to a different instrument: grand organ, bass, bells, and strings.

Tuesday, December 3, from 4:30 to 8:00 p.m., will be a sensory evening of Illumination, new for 2024.This quiet walk will feature static lights and music at low volume.

The amount you save varies, but the prices listed for each date will always be the lowest option at that time, for that particular date. Prices will never decrease but they may increase, so buying ahead is always your best option.

The Illumination trail is a one-mile paved path that is ADA compliant for people with limited mobility. The exhibition is not visible or accessible by car.

Celebrate the holidays and marvel at how light transforms a magnificent landscape at Illumination: Tree Lights at The Morton Arboretum.

Guests may borrow sensory supports such as headphones, sunglasses, fidgets, or a copy of the Illumination social narrative (English, Spanish) when they arrive. Families can use the social narrative to help prepare for their visit. Any loaned items should be returned to the Information Desk in the Visitor Center before departure.

Parking is available near the entrance for those with a disability placard on their vehicle—please notify the parking attendant as you drive in. Otherwise, parking is first come, first served, and is directed by parking attendants.

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Arboretum staff make best efforts to clear the path of ice and snow. Crowds are generally lighter on Tuesday, Wednesday, and Thursday, making it easier to navigate the trail.

Event tickets may always be added to general admission reservations; however, we encourage you to purchase Illumination tickets in a separate transaction, if possible, to ensure that the scan codes are kept separate.

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Illumination AnyDay tickets are special, single-use tickets that can be used once by either an adult or a child (age 4 and older), at any entry time, on any day of Illumination.

Warm up by a crackling fire and roast marshmallows for s’mores, stop in at the concession tent for snacks and beverages along the Illumination trail, or sit down to a delicious meal at the Ginkgo Restaurant in the Visitor Center while you view a laser light finale on Meadow Lake.

A full dining and beverage menu featuring freshly made sandwiches, salads, burgers, and more is available from the Ginkgo Restaurant, located inside the Visitor Center. The restaurant is open until 8:00 p.m. during Illumination. Guests can purchase sandwiches, salads, and soups, along with assorted alcoholic and nonalcoholic beverages.

Please note that this tool is currently only available for use when rebooking Illumination or Electric Illumination tickets.

Plan-ahead pricing is adjusted daily based on a variety of factors, such as remaining tickets available, weather conditions, and most popular times. As those variables change, ticket prices may go up for particular times and dates. Prices will not go down from those listed at the time you check the website. The further in advance you purchase your tickets, the more you save.

IRPA established a Task Group (TG) in December 2012 to provide an initial view by the ASs on the impact of implemention the reduced limit for the lens of the eye.

In the April 2011 statement on tissue reactions and in Publication 118 of the International Commission on Radiological Protection, a reduction in the equivalent eye dose limit in occupational exposure was recommended.

There is something for everyone to enjoy during Illumination! This enchanting event is perfect for celebrating the holiday season, special occasions, family outings, date nights, or wintertime fun with friends.

Please be aware that Illumination features moving and flashing lights along the trail. There are no strobe lights in the exhibition. Laser features are directed away from guests and follow International Laser Display Association safety standards.

Illuminationlighting meaning

Arboretum members receive the lowest ticket prices, with a 20% discount on all tickets. Become a member to get the best pricing for Illumination tickets.

Yes. The Illumination trail is a one-mile paved path that is ADA compliant and fully accessible to guests with limited mobility. Please see the Illumination Accessibility section for more information.

Through the Arboretum’s participation in the Museums for All program, a limited number of reduced-rate Illumination tickets are available on select dates for guests with a state-issued Electronic Benefits Transfer (EBT or LINK) card, or a valid WIC card. Tickets may be purchased online or in person, as long as the date and time is not sold out. When buying tickets at the gatehouse, purchasers are required to show a valid LINK or WIC card to receive the discounted rate. When purchasing online, purchasers will receive an email confirmation and must show a valid LINK or WIC card with their tickets at the entrance on the night of the event.

The Arboretum has the expertise and advice to help you beautify your home landscape, improve your community, and advocate for trees.

IRPA agreed to keep up constant monitoring and to ensure that the findings and concerns highlighted in the work done by the first TG were an integral part of the ongoing international discussion on the implementation of the revised dose limit to the lens of the eye.

If you have questions, you can contact the ticket line by email at tickets@mortonarb.org or by phone at 630-725-2066, Monday through Sunday (excluding holidays), 9:00 a.m. to 4:00 p.m.

In January 2015 IRPA established a TG Phase 2, whose first aim was to create positive and complete awareness about radiation protection (RP) in the workplace, with attention given to exposure of the eye lens. Its second aim was to evaluate the response of the RP community following the first TG report, which was approved by the IRPA Executive Committee in July 2013.

On days with four or more inches of snow, Illumination attendees are welcome to bring snowshoes or cross-country skis to the Arboretum during usual daylight hours. During Illumination, the East Side of the Arboretum will close at 3:00 p.m. to prepare for opening of the exhibition each evening at 4:30 p.m. Only the West Side is available for skiing or snowshoeing prior to mid-January, when Illumination equipment is removed on the East Side). Once Illumination is over rentals will be available based on snowfall.

With plan-ahead pricing for Illumination and Electric Illumination, choose the price, date, and time that best fit your budget and schedule. The further in advance you purchase your tickets, the more you save!

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At the same time, this TG provides an opportunity to obtain the views of professionals of the IRPA ASs, concerning and related to the wider generic issue of tissue reactions.

Illumination AnyDay tickets are special, single-use tickets that can be used once by either an adult or a child (age 4 and older), at any entry time, on any day of Illumination.

To look up an existing order, enter your order ID and last name in the field below. You can find your order ID listed on the “Order Summary” email that was sent to you from tickets@mortonarb.org.

The Morton Arboretum welcomes visitors with service animals to Illumination. Please note that pets are not permitted at the Arboretum except on special dog admission days.

A temperature-activated, color-changing ceramic mug will be available to purchase for $18 (price includes tax) on all Illumination and Electric Illumination dates. The purchase includes any warm beverage choice (alcoholic or nonalcoholic). The mug will feature a photo of the Treemagination light display, which appears once the mug is warm.

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ComEd is sponsoring a limited number of discounted Illumination tickets. Receive a $5 discount on Illumination tickets by using the code COMEDLIGHTS2024, while supplies last. Supply is limited and guests are encouraged to get their tickets using this code as soon as possible once tickets go on sale October 15. Arboretum members are not eligible to use the discount code, as members already receive the best price on all Illumination tickets. The discount code is not valid for Electric Illumination, IllumiBrew, or the Illumination Sensory Night. If the code does not apply the $5 discount during checkout, those tickets are sold out.

Ticket holders who make the choice not to attend Illumination based on their personal circumstances may request a ticket exchange, depending on schedule and ticket availability, for a $1 fee per ticket. Refunds are not available. For more information, use the Arboretum Rebooking Tool, email the help desk, or call the ticket line at 630-725-2066 between 9:00 a.m. and 4:00 p.m. daily (except holidays).

Craft beer lovers won’t want to miss IllumiBrew. At this event for adults 21 and older on Friday, November 15, enjoy a first look at the newest version of Illumination while sampling local brews along the trail.

Exciting features and immersive installations in this festive experience will delight all ages along a one-mile path that is fully ADA compliant.

Following this, in 2012 IRPA initiated a process to survey the views of the Associate Societies worldwide and to provide a medium for discussion on the implications of implementation of the new limits for the lens of the eye in occupational exposure.

Treats Double Fudge Brownie Rice Krispies Treat™ Peppermint Bark Frosted Holiday Cookie Jumbo Pretzel with Dipping Sauce S’mores Kit

The Arboretum has a small number of nonmotorized wheelchairs available on loan free of charge in the Visitor Center on a first-come-first-serve basis. Guests must leave a driver’s license or other photo ID to check out a wheelchair. Because the supply is limited, we recommend bringing a wheelchair to the Arboretum, if one is needed. Personal mobility scooters may also be used on the trail.

Illumination ticket purchases are nonrefundable. However, guests may be able to exchange tickets in advance for a fee of $1 per ticket, depending upon event capacity and at the discretion of the Arboretum. Tickets can be rebooked (prior to their original start time) using the Arboretum Rebooking Tool; guests who need additional assistance can also email the help desk or call 630-725-2066. If the Arboretum cancels a night of Illumination (in whole or part), we will accommodate ticket holders according to the cancellation policy.

Tickets for available dates and times can be purchased online or in person. Up to 10 Museums for All tickets can be purchased. When buying tickets online, a valid LINK or WIC card is required to receive the discounted rate. Online ticket purchasers will receive an email confirmation and must show a valid LINK or WIC card with their tickets at the entrance on the night of the event.

Please note that there will be a $1 charge per ticket for any changes made to Illumination tickets, plus any changes in the price of the tickets.

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